diff --git a/machines/chai/default.nix b/machines/chai/default.nix
index 7e2b211..fda48da 100644
--- a/machines/chai/default.nix
+++ b/machines/chai/default.nix
@@ -61,7 +61,7 @@ in {
     xorg.xauth
 
     # Flake overlay
-    jolheiser.prospect-mail
+    jolheiser.nur.prospect-mail
   ];
 
   system.stateVersion = "22.11";