diff --git a/pkgs/applications/virtualization/looking-glass-client/default.nix b/pkgs/applications/virtualization/looking-glass-client/default.nix
index 5d2be06db0a3..60db5708922f 100644
--- a/pkgs/applications/virtualization/looking-glass-client/default.nix
+++ b/pkgs/applications/virtualization/looking-glass-client/default.nix
@@ -49,7 +49,7 @@ stdenv.mkDerivation rec {
     wayland-protocols
   ];
 
-  NIX_CFLAGS_COMPILE = "-mavx"; # Fix some sort of AVX compiler problem.
+  cmakeFlags = [ "-DOPTIMIZE_FOR_NATIVE=OFF" ];
 
   postUnpack = ''
     echo ${src.rev} > source/VERSION