diff --git a/nixos/modules/virtualisation/virtualbox-guest.nix b/nixos/modules/virtualisation/virtualbox-guest.nix
index a025aee7cfe..9733bd6fac4 100644
--- a/nixos/modules/virtualisation/virtualbox-guest.nix
+++ b/nixos/modules/virtualisation/virtualbox-guest.nix
@@ -66,7 +66,7 @@ in
 
     services.xserver.displayManager.sessionCommands =
       ''
-        PATH=${makeSearchPath "bin" [ pkgs.gnugrep pkgs.which pkgs.xorg.xorgserver ]}:$PATH \
+        PATH=${makeSearchPath "bin" [ pkgs.gnugrep pkgs.which pkgs.xorg.xorgserver.out ]}:$PATH \
           ${kernel.virtualboxGuestAdditions}/bin/VBoxClient-all
       '';