diff --git a/pkgs/applications/virtualization/virtualbox/guest-additions/default.nix b/pkgs/applications/virtualization/virtualbox/guest-additions/default.nix
index 2ed0fb5cabd4..259f2b268fe3 100644
--- a/pkgs/applications/virtualization/virtualbox/guest-additions/default.nix
+++ b/pkgs/applications/virtualization/virtualbox/guest-additions/default.nix
@@ -11,7 +11,7 @@ let
   # (not via videoDrivers = ["vboxvideo"]).
   # It's likely to work again in some future update.
   xserverABI = let abi = xserverVListFunc 0 + xserverVListFunc 1;
-    in if abi == "119" then "118" else abi;
+    in if abi == "119" || abi == "120" then "118" else abi;
 in
 
 stdenv.mkDerivation {