1 files changed, 9 insertions, 2 deletions
diff --git a/pkgs/applications/virtualization/virtualbox/guest-additions/default.nix b/pkgs/applications/virtualization/virtualbox/guest-additions/default.nix
index 5a97d2a8efd0..6e58d42a1cb5 100644
--- a/pkgs/applications/virtualization/virtualbox/guest-additions/default.nix
+++ b/pkgs/applications/virtualization/virtualbox/guest-additions/default.nix
@@ -4,7 +4,14 @@
 let
   version = virtualbox.version;
   xserverVListFunc = builtins.elemAt (stdenv.lib.splitString "." xorg.xorgserver.version);
-  xserverABI = xserverVListFunc 0 + xserverVListFunc 1;
+
+  # Forced to 1.18 in <nixpkgs/nixos/modules/services/x11/xserver.nix>
+  # as it even fails to build otherwise.  Still, override this even here,
+  # in case someone does just a standalone build
+  # (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
 
 stdenv.mkDerivation {
@@ -12,7 +19,7 @@ stdenv.mkDerivation {
 
   src = fetchurl {
     url = "http://download.virtualbox.org/virtualbox/${version}/VBoxGuestAdditions_${version}.iso";
-    sha256 = (lib.importJSON ../upstream-info.json).guest;
+    sha256 = "1b206b76050dccd3ed979307230f9ddea79551e1c0aba93faee77416733cdc8a";
   };
 
   KERN_DIR = "${kernel.dev}/lib/modules/*/build";