diff --git a/config/unbound/unbound.conf b/config/unbound/unbound.conf
index 3aab6ea46..f78aaae8c 100644
--- a/config/unbound/unbound.conf
+++ b/config/unbound/unbound.conf
@@ -60,6 +60,9 @@ server:
 	# Allow access from everywhere
 	access-control: 0.0.0.0/0 allow
 
+	# Timeout behaviour
+	infra-keep-probing: yes
+
 	# Bootstrap root servers
 	root-hints: "/etc/unbound/root.hints"