diff --git a/nixos-infect b/nixos-infect
index 8897190..a820f70 100644
--- a/nixos-infect
+++ b/nixos-infect
@@ -206,7 +206,7 @@ EOF
 
   users.users = {
     virtualMail = {
-      isSystemUser = true;
+      isNormalUser = false;
     };
   };