diff --git a/bundles/unbound/files/unbound.conf b/bundles/unbound/files/unbound.conf
index d3269dc..247768a 100644
--- a/bundles/unbound/files/unbound.conf
+++ b/bundles/unbound/files/unbound.conf
@@ -32,7 +32,7 @@ server:
     rrset-cache-size: ${cache_size}
     rrset-cache-slabs: ${cache_slabs}
     cache-max-ttl: ${max_ttl}
-    cache-max-negative-ttl: 600
+    cache-max-negative-ttl: 60
 
     prefetch: yes
     prefetch-key: yes