1 files changed, 1 insertions, 1 deletions
diff --git a/eval.c b/eval.c
index 8a26fc36d3..dc72e7425d 100644
--- a/eval.c
+++ b/eval.c
@@ -755,7 +755,7 @@ struct SCOPE *ruby_scope;
 static struct FRAME *top_frame;
 static struct SCOPE *top_scope;
 
-static unsigned long frame_unique = 0;
+static unsigned long frame_unique = 1;
 
 #define PUSH_FRAME() do {		\
     struct FRAME _frame;		\