diff --git a/src/dns.c b/src/dns.c
index 64bb0d1..5ecb469 100644
--- a/src/dns.c
+++ b/src/dns.c
@@ -2247,7 +2247,7 @@
 
 	fqdn = smp->data.u.str.area;
 	if (action_prepare_for_resolution(s, fqdn) == -1)
-		return ACT_RET_ERR;
+		return ACT_RET_CONT; /* on error, ignore the action */
 
 	s->dns_ctx.parent = rule;
 	dns_link_resolution(s, OBJ_TYPE_STREAM, 0);