diff --git a/Justfile b/Justfile
index f7509f77..3bedb6fd 100644
--- a/Justfile
+++ b/Justfile
@@ -61,14 +61,15 @@ darwin-set-proxy:
   sleep 1sec
 
 darwin-rollback:
-  rollback
+  use utils.nu *; \
+  darwin-rollback
 
 ha mode="default": darwin-set-proxy
   use utils.nu *; \
   darwin-build "harmonica" {{mode}}; \
   darwin-switch "harmonica" {{mode}}
 
-fe mode="default":
+fe mode="default": darwin-set-proxy
   use utils.nu *; \
   darwin-build "fern" {{mode}}; \
   darwin-switch "fern" {{mode}}
diff --git a/utils.nu b/utils.nu
index 724379b2..bc46e2e8 100644
--- a/utils.nu
+++ b/utils.nu
@@ -45,6 +45,6 @@ export def darwin-switch [
 
 export def darwin-rollback [] {
     with-env { PATH : ($env.PATH | prepend darwin_dir) } {
-        darwin-rebuild rollback
+        darwin-rebuild --rollback
     }
 }