diff --git a/src/acl.c b/src/acl.c
index 2ee4d50..033cfc9 100644
--- a/src/acl.c
+++ b/src/acl.c
@@ -487,7 +487,7 @@
 			}
 
 			/* Note: -m found is always valid, bool/int are compatible, str/bin/reg/len are compatible */
-			if (!sample_casts[cur_type][pat_match_types[idx]]) {
+			if (idx != PAT_MATCH_FOUND && !sample_casts[cur_type][pat_match_types[idx]]) {
 				memprintf(err, "matching method '%s' cannot be used with fetch keyword '%s'", args[1], expr->kw);
 				goto out_free_expr;
 			}