diff --git a/module-template.nix b/module-template.nix
index 4efc539..3cb37ef 100644
--- a/module-template.nix
+++ b/module-template.nix
@@ -22,4 +22,11 @@ mkIf true {
     allowedUDPPorts = [
     ];
   };
+} // {
+  assertions = [
+    {
+      assertion = true;
+      message = "Assetion toujours valide.";
+    }
+  ];
 }