diff --git a/lib/coffee_script/grammar.y b/lib/coffee_script/grammar.y
index e1ff0196..03d9bc3c 100644
--- a/lib/coffee_script/grammar.y
+++ b/lib/coffee_script/grammar.y
@@ -259,12 +259,13 @@ rule
 
   # Extending an object's prototype.
   Extends:
-    Value EXTENDS Expression      { result = ExtendsNode.new(val[0], val[2]) }
+    Value EXTENDS Expression          { result = ExtendsNode.new(val[0], val[2]) }
   ;
 
   # A generic function invocation.
   Invocation:
     Value "(" ArgList ")"             { result = CallNode.new(val[0], val[2]) }
+  | Invocation "(" ArgList ")"        { result = CallNode.new(val[0], val[2]) }
   ;
 
   # Calling super.