diff --git a/config/dnscrypt-proxy.toml b/config/dnscrypt-proxy.toml
index ae9e731..5a0de9d 100644
--- a/config/dnscrypt-proxy.toml
+++ b/config/dnscrypt-proxy.toml
@@ -266,7 +266,7 @@ log_files_max_backups = 1
 ## This makes things faster when there is no IPv6 connectivity, but can
 ## also cause reliability issues with some stub resolvers.
 
-block_ipv6 = false
+block_ipv6 = true
 
 
 ## Immediately respond to A and AAAA queries for host names without a domain name