diff --git a/src/regexp.h b/src/regexp.h
index f8ff096..69075b5 100644
--- a/src/regexp.h
+++ b/src/regexp.h
@@ -72,6 +72,7 @@
     int			id;
     int			lastlist;
     int			negated;
+    int			val;
 };
 
 /*