diff --git a/system/options.nix b/system/options.nix
index 3574d0fb8eb..64bee0fa878 100644
--- a/system/options.nix
+++ b/system/options.nix
@@ -3035,7 +3035,7 @@ root        ALL=(ALL) SETENV: ALL
 
     # services
     (import ../upstart-jobs/cron.nix)
-    #(import ../upstart-jobs/fcron.nix)
+    (import ../upstart-jobs/fcron.nix)
     (import ../upstart-jobs/cron/locate.nix)
   ];
 }
diff --git a/upstart-jobs/fcron.nix b/upstart-jobs/fcron.nix
index fd7f2f05360..97d259c65e1 100644
--- a/upstart-jobs/fcron.nix
+++ b/upstart-jobs/fcron.nix
@@ -107,10 +107,10 @@ in
       }
     ];
 
-    extraPackages =
+    extraPackages = ifEnabled (
       pkgs.lib.optional
         (!config.environment.cleanStart)
-        pkgs.fcron;
+        pkgs.fcron);
   };
 
   services = {