1 files changed, 1 insertions, 1 deletions
diff --git a/regint.h b/regint.h
index bcc5fa5fc4..ba201f1a28 100644
--- a/regint.h
+++ b/regint.h
@@ -46,7 +46,7 @@
 #define USE_QUALIFIER_PEEK_NEXT
 
 #define INIT_MATCH_STACK_SIZE                     160
-#define DEFAULT_MATCH_STACK_LIMIT_SIZE              0 /* unlimited */
+#define MATCH_STACK_LIMIT_SIZE                 500000
 
 /* interface to external system */
 #ifdef NOT_RUBY      /* gived from Makefile */