diff --git a/src/modal.c b/src/modal.c
index e159e28..71e6569 100644
--- a/src/modal.c
+++ b/src/modal.c
@@ -91,7 +91,7 @@ match_rule(Rule *r, char *p)
 	int i;
 	char c, last = 0, *a = r->a, *b = p;
 	if(rmax) {
-		for(i = 0; i <= rmax; i++)
+		for(i = rmin; i <= rmax; i++)
 			regs[i] = 0;
 		rmin = 0xff, rmax = 0x00;
 	}