diff --git a/src/pipes/args.lua b/src/pipes/args.lua
index e153fa3..53160e2 100644
--- a/src/pipes/args.lua
+++ b/src/pipes/args.lua
@@ -72,8 +72,9 @@ function Args:__call(project)
   if args.desc then project:setDescription(args.desc) end
   if args.email then project:setEmail(args.email) end
   if args.loveVersion then
+    args.loveVersion = utils.love.ver(args.loveVersion)
     assert(utils.love.isSupported(args.loveVersion),
-           "ARGS: "..args.loveVersion.." is not supported.\n")
+           "ARGS: "..tostring(args.loveVersion).." is not supported.\n")
     project:setLoveVersion(args.loveVersion)
   end
   if args.package then project:setPackage(args.package) end
diff --git a/src/utils.lua b/src/utils.lua
index 845d729..775809c 100644
--- a/src/utils.lua
+++ b/src/utils.lua
@@ -95,6 +95,7 @@ utils.love.minVersion = utils.love.versionTable[#utils.love.versionTable]
 -- @tparam ver version LÖVE version.
 -- @treturn bool true is the version is supported.
 function utils.love.isSupported(version)
+  assert(getmetatable(version) == ver)
   if version >= utils.love.minVersion
       and version <= utils.love.lastVersion then
     for _, v in ipairs(utils.love.versionTable) do