diff --git a/fd/Graph.lua b/fd/Graph.lua
index 9b7d21b..0e58083 100644
--- a/fd/Graph.lua
+++ b/fd/Graph.lua
@@ -79,7 +79,7 @@ function Graph.new()
         end
 
         for _, edge in pairs( table.edges ) do
-            self:addEdge( nodes[edge.origin], nodes[edge.target] );
+            addEdge( nodes[edge.origin], nodes[edge.target] );
         end
     end