diff --git a/services/synapse/synapse.nix b/services/synapse/synapse.nix
index ad9c4c5..511a97f 100644
--- a/services/synapse/synapse.nix
+++ b/services/synapse/synapse.nix
@@ -13,7 +13,7 @@ let
     ;
 in
 with lib;
-mkIf enable {
+mk If enable {
   services.matrix-synapse = {
     inherit enable;
     enableRegistrationScript = true;
@@ -73,7 +73,6 @@ mkIf enable {
         "::1/128"
         "fe80::/10"
         "fc00::/7"
-        "::/0" # disable IPv6 (temporary)
       ];
 
       url_preview_enabled = true;