diff --git a/common.nix b/common.nix
index 74cd1d0..ee13e05 100644
--- a/common.nix
+++ b/common.nix
@@ -279,6 +279,7 @@
       intel-media-sdk
     ];
   };
+  environment.sessionVariables.LIBVA_DRIVER_NAME = "radeonsi";
 
   # enable hardware acceleration for qemu
   virtualisation.libvirtd.enable = true;