diff --git a/nixos/modules/services/databases/mysql.nix b/nixos/modules/services/databases/mysql.nix
index 40844b26d0da..412fe4836cd3 100644
--- a/nixos/modules/services/databases/mysql.nix
+++ b/nixos/modules/services/databases/mysql.nix
@@ -314,7 +314,7 @@ in
         binlog-ignore-db = [ "information_schema" "performance_schema" "mysql" ];
       })
       (lib.mkIf (!isMariaDB) {
-        plugin-load-add = "auth_socket.so";
+        plugin-load-add = [ "auth_socket.so" ];
       })
     ];