diff --git a/src/lib-master/master-service-settings-cache.c b/src/lib-master/master-service-settings-cache.c
index d90893fbf7..5c4bc319a2 100644
--- a/src/lib-master/master-service-settings-cache.c
+++ b/src/lib-master/master-service-settings-cache.c
@@ -137,7 +137,7 @@ master_service_settings_cache_fix_input(struct master_service_settings_cache *ca
 		    net_is_in_network(&input->remote_ip, &filter->remote_ip,
 				      filter->remote_bits))
 			found_rip = TRUE;
-		if (filter->local_name != NULL &&
+		if (input->local_name != NULL && filter->local_name != NULL &&
 		    dns_match_wildcard(input->local_name, filter->local_name))
 			found_local_name = TRUE;
 		filter = filter->next;