diff --git a/utils/gramatron/gnf_converter.py b/utils/gramatron/gnf_converter.py
index d942b91c00..0bc70d1555 100755
--- a/utils/gramatron/gnf_converter.py
+++ b/utils/gramatron/gnf_converter.py
@@ -78,7 +78,7 @@ def remove_left_recursion(grammar):
             for rule in rules:
                 tokens = gettokens(rule)
                 if tokens[0] == lhs:
-                    left_recursion = False
+                    no_left_recursion = False
                     break
             else:
                 continue