diff --git a/modules/services/lib.nix b/modules/services/lib.nix
index 874bfa3..500b78d 100644
--- a/modules/services/lib.nix
+++ b/modules/services/lib.nix
@@ -121,7 +121,7 @@ ${concatStringsSep "\n" (map (m: "                  - ${m}") middlewares)}
           };
         };
 
-        systemd.services."${name}-permissions" = mkIf dirPermissions != [] {
+        systemd.services."${name}-permissions" = mkIf (dirPermissions != []) {
           description = "Podman container : ${name} : check and fix permissions";
           before = [ "${name}.service" ];
           wantedBy = [ "multi-user.target" "${name}.service" ];