diff --git a/moonscript/transform.lua b/moonscript/transform.lua
index 8c7cbac..d1b0ddb 100644
--- a/moonscript/transform.lua
+++ b/moonscript/transform.lua
@@ -1238,7 +1238,7 @@ do
     wrap = function(self, node)
       return build.block_exp({
         build.assign_one(self.accum_name, build.table()),
-        build.assign_one(self.len_name, 0),
+        build.assign_one(self.len_name, 1),
         node,
         self.accum_name
       })
@@ -1273,13 +1273,13 @@ do
         val = self.value_name
       end
       local update = {
+        build.assign_one(self.accum_name:index(self.len_name), val),
         {
           "update",
           self.len_name,
           "+=",
           1
-        },
-        build.assign_one(self.accum_name:index(self.len_name), val)
+        }
       }
       if skip_nil then
         table.insert(body, build["if"]({
diff --git a/moonscript/transform.moon b/moonscript/transform.moon
index 31bc6de..5705744 100644
--- a/moonscript/transform.moon
+++ b/moonscript/transform.moon
@@ -691,7 +691,7 @@ class Accumulator
   wrap: (node) =>
     build.block_exp {
       build.assign_one @accum_name, build.table!
-      build.assign_one @len_name, 0
+      build.assign_one @len_name, 1
       node
       @accum_name
     }
@@ -715,8 +715,8 @@ class Accumulator
       @value_name
 
     update = {
-      {"update", @len_name, "+=", 1}
       build.assign_one @accum_name\index(@len_name), val
+      {"update", @len_name, "+=", 1}
     }
 
     if skip_nil
diff --git a/tests/outputs/bubbling.lua b/tests/outputs/bubbling.lua
index d657bea..f054c1c 100644
--- a/tests/outputs/bubbling.lua
+++ b/tests/outputs/bubbling.lua
@@ -8,38 +8,38 @@ local dont_bubble
 dont_bubble = function()
   return (function()
     local _accum_0 = { }
-    local _len_0 = 0
+    local _len_0 = 1
     for x in (function(...)
       return print(...)
     end)("hello") do
-      _len_0 = _len_0 + 1
       _accum_0[_len_0] = x
+      _len_0 = _len_0 + 1
     end
     return _accum_0
   end)()
 end
 local k = (function()
   local _accum_0 = { }
-  local _len_0 = 0
+  local _len_0 = 1
   for x in (function(...)
     return print(...)
   end)("hello") do
-    _len_0 = _len_0 + 1
     _accum_0[_len_0] = x
+    _len_0 = _len_0 + 1
   end
   return _accum_0
 end)()
 local j = (function()
   local _accum_0 = { }
-  local _len_0 = 0
+  local _len_0 = 1
   for i = 1, 10 do
     local _value_0
     _value_0 = function(...)
       return print(...)
     end
     if _value_0 ~= nil then
-      _len_0 = _len_0 + 1
       _accum_0[_len_0] = _value_0
+      _len_0 = _len_0 + 1
     end
   end
   return _accum_0
@@ -48,15 +48,15 @@ local m
 m = function(...)
   return (function(...)
     local _accum_0 = { }
-    local _len_0 = 0
+    local _len_0 = 1
     local _list_0 = {
       ...
     }
     for _index_0 = 1, #_list_0 do
       local x = _list_0[_index_0]
       if f(...) > 4 then
-        _len_0 = _len_0 + 1
         _accum_0[_len_0] = x
+        _len_0 = _len_0 + 1
       end
     end
     return _accum_0
@@ -64,7 +64,7 @@ m = function(...)
 end
 local x = (function(...)
   local _accum_0 = { }
-  local _len_0 = 0
+  local _len_0 = 1
   local _list_0 = {
     ...
   }
@@ -72,59 +72,59 @@ local x = (function(...)
     local i = _list_0[_index_0]
     local _value_0 = i
     if _value_0 ~= nil then
-      _len_0 = _len_0 + 1
       _accum_0[_len_0] = _value_0
+      _len_0 = _len_0 + 1
     end
   end
   return _accum_0
 end)(...)
 local y = (function(...)
   local _accum_0 = { }
-  local _len_0 = 0
+  local _len_0 = 1
   local _list_0 = {
     ...
   }
   for _index_0 = 1, #_list_0 do
     x = _list_0[_index_0]
-    _len_0 = _len_0 + 1
     _accum_0[_len_0] = x
+    _len_0 = _len_0 + 1
   end
   return _accum_0
 end)(...)
 local z = (function(...)
   local _accum_0 = { }
-  local _len_0 = 0
+  local _len_0 = 1
   for x in hallo do
     if f(...) > 4 then
-      _len_0 = _len_0 + 1
       _accum_0[_len_0] = x
+      _len_0 = _len_0 + 1
     end
   end
   return _accum_0
 end)(...)
 local a = (function(...)
   local _accum_0 = { }
-  local _len_0 = 0
+  local _len_0 = 1
   for i = 1, 10 do
     local _value_0 = ...
     if _value_0 ~= nil then
-      _len_0 = _len_0 + 1
       _accum_0[_len_0] = _value_0
+      _len_0 = _len_0 + 1
     end
   end
   return _accum_0
 end)(...)
 local b = (function()
   local _accum_0 = { }
-  local _len_0 = 0
+  local _len_0 = 1
   for i = 1, 10 do
     local _value_0
     _value_0 = function()
       return print(...)
     end
     if _value_0 ~= nil then
-      _len_0 = _len_0 + 1
       _accum_0[_len_0] = _value_0
+      _len_0 = _len_0 + 1
     end
   end
   return _accum_0
diff --git a/tests/outputs/comprehension.lua b/tests/outputs/comprehension.lua
index b0ec910..0598efe 100644
--- a/tests/outputs/comprehension.lua
+++ b/tests/outputs/comprehension.lua
@@ -68,10 +68,10 @@ return (function()
     x = _list_0[_index_0]
     local _key_0, _val_0 = unpack((function()
       local _accum_0 = { }
-      local _len_0 = 0
+      local _len_0 = 1
       for i, a in ipairs(x) do
-        _len_0 = _len_0 + 1
         _accum_0[_len_0] = a * i
+        _len_0 = _len_0 + 1
       end
       return _accum_0
     end)())
diff --git a/tests/outputs/lists.lua b/tests/outputs/lists.lua
index 87936ca..b6f1b29 100644
--- a/tests/outputs/lists.lua
+++ b/tests/outputs/lists.lua
@@ -1,14 +1,14 @@
 local hi = (function()
   local _accum_0 = { }
-  local _len_0 = 0
+  local _len_0 = 1
   for _, x in ipairs({
     1,
     2,
     3,
     4
   }) do
-    _len_0 = _len_0 + 1
     _accum_0[_len_0] = x * 2
+    _len_0 = _len_0 + 1
   end
   return _accum_0
 end)()
@@ -22,10 +22,10 @@ local items = {
 }
 local mm = (function()
   local _accum_0 = { }
-  local _len_0 = 0
+  local _len_0 = 1
   for self.x in ipairs(items) do
-    _len_0 = _len_0 + 1
     _accum_0[_len_0] = self.x
+    _len_0 = _len_0 + 1
   end
   return _accum_0
 end)()
@@ -36,7 +36,7 @@ for z in ipairs(items) do
 end
 local rad = (function()
   local _accum_0 = { }
-  local _len_0 = 0
+  local _len_0 = 1
   for a in ipairs({
     1,
     2,
@@ -46,10 +46,10 @@ local rad = (function()
     6
   }) do
     if good_number(a) then
-      _len_0 = _len_0 + 1
       _accum_0[_len_0] = {
         a
       }
+      _len_0 = _len_0 + 1
     end
   end
   return _accum_0
@@ -78,24 +78,24 @@ range = function(count)
 end
 dump((function()
   local _accum_0 = { }
-  local _len_0 = 0
+  local _len_0 = 1
   for x in range(10) do
-    _len_0 = _len_0 + 1
     _accum_0[_len_0] = x
+    _len_0 = _len_0 + 1
   end
   return _accum_0
 end)())
 dump((function()
   local _accum_0 = { }
-  local _len_0 = 0
+  local _len_0 = 1
   for x in range(5) do
     if x > 2 then
       for y in range(5) do
-        _len_0 = _len_0 + 1
         _accum_0[_len_0] = {
           x,
           y
         }
+        _len_0 = _len_0 + 1
       end
     end
   end
@@ -103,13 +103,13 @@ dump((function()
 end)())
 local things = (function()
   local _accum_0 = { }
-  local _len_0 = 0
+  local _len_0 = 1
   for x in range(10) do
     if x > 5 then
       for y in range(10) do
         if y > 7 then
-          _len_0 = _len_0 + 1
           _accum_0[_len_0] = x + y
+          _len_0 = _len_0 + 1
         end
       end
     end
@@ -139,10 +139,10 @@ for x in x do
 end
 local x = (function()
   local _accum_0 = { }
-  local _len_0 = 0
+  local _len_0 = 1
   for x in x do
-    _len_0 = _len_0 + 1
     _accum_0[_len_0] = x
+    _len_0 = _len_0 + 1
   end
   return _accum_0
 end)()
@@ -163,12 +163,12 @@ for x in ipairs({
 end
 local double = (function()
   local _accum_0 = { }
-  local _len_0 = 0
+  local _len_0 = 1
   local _list_0 = items
   for _index_0 = 1, #_list_0 do
     x = _list_0[_index_0]
-    _len_0 = _len_0 + 1
     _accum_0[_len_0] = x * 2
+    _len_0 = _len_0 + 1
   end
   return _accum_0
 end)()
@@ -179,28 +179,28 @@ for _index_0 = 1, #_list_0 do
 end
 local cut = (function()
   local _accum_0 = { }
-  local _len_0 = 0
+  local _len_0 = 1
   local _list_1 = items
   for _index_0 = 1, #_list_1 do
     x = _list_1[_index_0]
     if x > 3 then
-      _len_0 = _len_0 + 1
       _accum_0[_len_0] = x
+      _len_0 = _len_0 + 1
     end
   end
   return _accum_0
 end)()
 local hello = (function()
   local _accum_0 = { }
-  local _len_0 = 0
+  local _len_0 = 1
   local _list_1 = items
   for _index_0 = 1, #_list_1 do
     x = _list_1[_index_0]
     local _list_2 = items
     for _index_1 = 1, #_list_2 do
       local y = _list_2[_index_1]
-      _len_0 = _len_0 + 1
       _accum_0[_len_0] = x + y
+      _len_0 = _len_0 + 1
     end
   end
   return _accum_0
@@ -257,10 +257,10 @@ local normal
 normal = function(hello)
   return (function()
     local _accum_0 = { }
-    local _len_0 = 0
+    local _len_0 = 1
     for x in yeah do
-      _len_0 = _len_0 + 1
       _accum_0[_len_0] = x
+      _len_0 = _len_0 + 1
     end
     return _accum_0
   end)()
@@ -289,12 +289,12 @@ end
 return function()
   return (function()
     local _accum_0 = { }
-    local _len_0 = 0
+    local _len_0 = 1
     local _list_9 = things
     for _index_0 = 1, #_list_9 do
       x = _list_9[_index_0]
-      _len_0 = _len_0 + 1
       _accum_0[_len_0] = x
+      _len_0 = _len_0 + 1
     end
     return _accum_0
   end)()
diff --git a/tests/outputs/loops.lua b/tests/outputs/loops.lua
index f538eaf..37c5fb6 100644
--- a/tests/outputs/loops.lua
+++ b/tests/outputs/loops.lua
@@ -50,7 +50,7 @@ local hello = {
 }
 x = (function()
   local _accum_0 = { }
-  local _len_0 = 0
+  local _len_0 = 1
   local _list_1 = hello
   for _index_0 = 1, #_list_1 do
     local y = _list_1[_index_0]
@@ -59,8 +59,8 @@ x = (function()
       _value_0 = y
     end
     if _value_0 ~= nil then
-      _len_0 = _len_0 + 1
       _accum_0[_len_0] = _value_0
+      _len_0 = _len_0 + 1
     end
   end
   return _accum_0
@@ -74,12 +74,12 @@ x = function()
 end
 local t = (function()
   local _accum_0 = { }
-  local _len_0 = 0
+  local _len_0 = 1
   for i = 10, 20 do
     local _value_0 = i * 2
     if _value_0 ~= nil then
-      _len_0 = _len_0 + 1
       _accum_0[_len_0] = _value_0
+      _len_0 = _len_0 + 1
     end
   end
   return _accum_0
@@ -87,13 +87,13 @@ end)()
 local hmm = 0
 local y = (function()
   local _accum_0 = { }
-  local _len_0 = 0
+  local _len_0 = 1
   for j = 3, 30, 8 do
     hmm = hmm + 1
     local _value_0 = j * hmm
     if _value_0 ~= nil then
-      _len_0 = _len_0 + 1
       _accum_0[_len_0] = _value_0
+      _len_0 = _len_0 + 1
     end
   end
   return _accum_0
@@ -107,12 +107,12 @@ end
 _ = function()
   return (function()
     local _accum_0 = { }
-    local _len_0 = 0
+    local _len_0 = 1
     for k = 10, 40 do
       local _value_0 = "okay"
       if _value_0 ~= nil then
-        _len_0 = _len_0 + 1
         _accum_0[_len_0] = _value_0
+        _len_0 = _len_0 + 1
       end
     end
     return _accum_0
@@ -132,41 +132,41 @@ end
 local i = 0
 x = (function()
   local _accum_0 = { }
-  local _len_0 = 0
+  local _len_0 = 1
   while i < 10 do
     local _value_0
     i = i + 1
     if _value_0 ~= nil then
-      _len_0 = _len_0 + 1
       _accum_0[_len_0] = _value_0
+      _len_0 = _len_0 + 1
     end
   end
   return _accum_0
 end)()
 x = (function()
   local _accum_0 = { }
-  local _len_0 = 0
+  local _len_0 = 1
   local _list_1 = 3
   for _index_0 = 1, #_list_1 do
     local thing = _list_1[_index_0]
     local _value_0
     y = "hello"
     if _value_0 ~= nil then
-      _len_0 = _len_0 + 1
       _accum_0[_len_0] = _value_0
+      _len_0 = _len_0 + 1
     end
   end
   return _accum_0
 end)()
 x = (function()
   local _accum_0 = { }
-  local _len_0 = 0
+  local _len_0 = 1
   for x = 1, 2 do
     local _value_0
     y = "hello"
     if _value_0 ~= nil then
-      _len_0 = _len_0 + 1
       _accum_0[_len_0] = _value_0
+      _len_0 = _len_0 + 1
     end
   end
   return _accum_0
@@ -205,7 +205,7 @@ for x = 1, 10 do
 end
 local list = (function()
   local _accum_0 = { }
-  local _len_0 = 0
+  local _len_0 = 1
   for x = 1, 10 do
     local _continue_0 = false
     repeat
@@ -215,8 +215,8 @@ local list = (function()
       end
       local _value_0 = x
       if _value_0 ~= nil then
-        _len_0 = _len_0 + 1
         _accum_0[_len_0] = _value_0
+        _len_0 = _len_0 + 1
       end
       _continue_0 = true
     until true
diff --git a/tests/outputs/syntax.lua b/tests/outputs/syntax.lua
index c78b463..75b5bc1 100644
--- a/tests/outputs/syntax.lua
+++ b/tests/outputs/syntax.lua
@@ -91,10 +91,10 @@ x = -hello(world(one(two)))
 local hi = -"herfef"
 x = -(function()
   local _accum_0 = { }
-  local _len_0 = 0
+  local _len_0 = 1
   for x in x do
-    _len_0 = _len_0 + 1
     _accum_0[_len_0] = x
+    _len_0 = _len_0 + 1
   end
   return _accum_0
 end)()