1 files changed, 1 insertions, 1 deletions
diff --git a/eval.c b/eval.c
index dc72e7425d..fb1e4006b2 100644
--- a/eval.c
+++ b/eval.c
@@ -2221,7 +2221,7 @@ copy_node_scope(node, rval)
 	if (argc > 0) {\
 	    int i;\
 	    n = anode;\
-	    argv = TMP_ALLOC(argc);\
+	    argv = TMP_ALLOC(argc+extra);\
 	    for (i=0;i<argc;i++) {\
 		argv[i] = rb_eval(self,n->nd_head);\
 		n=n->nd_next;\