diff --git a/krebs/3modules/setuid.nix b/krebs/3modules/setuid.nix
index a17ec0883..02176ec4a 100644
--- a/krebs/3modules/setuid.nix
+++ b/krebs/3modules/setuid.nix
@@ -5,7 +5,7 @@ let
 
   out = {
     options.krebs.setuid = api;
-    config = imp;
+    config = mkIf (cfg != {}) imp;
   };
 
   api = mkOption {