diff --git a/config/dnscrypt-proxy.toml b/config/dnscrypt-proxy.toml
index 90f66b3..5558061 100644
--- a/config/dnscrypt-proxy.toml
+++ b/config/dnscrypt-proxy.toml
@@ -331,7 +331,7 @@ block_undelegated = true
 ## TTL for synthetic responses sent when a request has been blocked (due to
 ## IPv6 or blocklists).
 
-reject_ttl = 600
+reject_ttl = 10