diff --git a/nixos/modules/rename.nix b/nixos/modules/rename.nix
index 7fb58a2b8002..a7243e8eae0b 100644
--- a/nixos/modules/rename.nix
+++ b/nixos/modules/rename.nix
@@ -208,7 +208,7 @@ with lib;
         inetPort = [ "services" "postgrey" "inetPort" ];
       in
         if value inetAddr == null
-        then { path = "/var/run/postgrey.sock"; }
+        then { path = "/run/postgrey.sock"; }
         else { addr = value inetAddr; port = value inetPort; }
     ))
 
diff --git a/nixos/modules/services/mail/postgrey.nix b/nixos/modules/services/mail/postgrey.nix
index 241f75eae279..8e2b9c5dbc56 100644
--- a/nixos/modules/services/mail/postgrey.nix
+++ b/nixos/modules/services/mail/postgrey.nix
@@ -29,7 +29,7 @@ with lib; let
     options = {
       path = mkOption {
         type = path;
-        default = "/var/run/postgrey.sock";
+        default = "/run/postgrey.sock";
         description = "Path of the unix socket";
       };
 
@@ -53,7 +53,7 @@ in {
       socket = mkOption {
         type = socket;
         default = {
-          path = "/var/run/postgrey.sock";
+          path = "/run/postgrey.sock";
           mode = "0777";
         };
         example = {