diff --git a/pkgs/development/libraries/libx86emu/default.nix b/pkgs/development/libraries/libx86emu/default.nix
index c4df61bd22bb..4ace07d2cf0e 100644
--- a/pkgs/development/libraries/libx86emu/default.nix
+++ b/pkgs/development/libraries/libx86emu/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
     substituteInPlace Makefile --replace "/usr" "/"
   '';
 
-  buildFlags = [ "shared" ];
+  buildFlags = [ "shared" "CC=${stdenv.cc.targetPrefix}cc" ];
   enableParallelBuilding = true;
 
   installFlags = [ "DESTDIR=$(out)" "LIBDIR=/lib" ];