diff --git a/nixos/modules/installer/tools/nixos-generate-config.pl b/nixos/modules/installer/tools/nixos-generate-config.pl
index 9010478662c..39ef4c51ba1 100644
--- a/nixos/modules/installer/tools/nixos-generate-config.pl
+++ b/nixos/modules/installer/tools/nixos-generate-config.pl
@@ -235,7 +235,7 @@ chomp $virt;
 # Check if we're a VirtualBox guest.  If so, enable the guest
 # additions.
 if ($virt eq "oracle") {
-    push @attrs, "services.virtualboxGuest.enable = true;"
+    push @attrs, "virtualisation.virtualbox.guest.enable = true;"
 }