diff --git a/src/quickfix.c b/src/quickfix.c
index 5de1e11..281cac8 100644
--- a/src/quickfix.c
+++ b/src/quickfix.c
@@ -2399,6 +2399,7 @@
     if (regmatch.regprog == NULL)
 	goto theend;
     regmatch.rmm_ic = p_ic;
+    regmatch.rmm_maxcol = 0;
 
     p = skipwhite(p);
     if (*p == NUL)