diff --git a/src/shrpx_dns_resolver.cc b/src/shrpx_dns_resolver.cc
index 87b418c2..32dfc0a6 100644
--- a/src/shrpx_dns_resolver.cc
+++ b/src/shrpx_dns_resolver.cc
@@ -99,6 +99,7 @@ namespace {
 void timeoutcb(struct ev_loop *loop, ev_timer *w, int revents) {
   auto resolv = static_cast<DNSResolver *>(w->data);
   resolv->on_timeout();
+  process_result(resolv);
 }
 } // namespace