diff --git a/pkgs/games/quake3/ioquake/Makefile.local b/pkgs/games/quake3/ioquake/Makefile.local
new file mode 100644
index 000000000000..9f487970eabc
--- /dev/null
+++ b/pkgs/games/quake3/ioquake/Makefile.local
@@ -0,0 +1,6 @@
+USE_CURL = 1
+USE_CURL_DLOPEN = 0
+USE_FREETYPE = 1
+USE_INTERNAL_LIBS = 0
+USE_OPENAL = 1
+USE_OPENAL_DLOPEN = 0
diff --git a/pkgs/games/quake3/ioquake/default.nix b/pkgs/games/quake3/ioquake/default.nix
index 7161b9474f24..437b99ae3439 100644
--- a/pkgs/games/quake3/ioquake/default.nix
+++ b/pkgs/games/quake3/ioquake/default.nix
@@ -16,6 +16,7 @@
 , libjpeg
 , makeDesktopItem
 , freetype
+, mumble
 }:
 
 stdenv.mkDerivation {
@@ -47,11 +48,14 @@ stdenv.mkDerivation {
     libvorbis
     libjpeg
     freetype
+    mumble
   ];
 
   enableParallelBuilding = true;
 
-  makeFlags = [ "USE_INTERNAL_LIBS=0" "USE_FREETYPE=1" "USE_OPENAL_DLOPEN=0" "USE_CURL_DLOPEN=0" ];
+  preConfigure = ''
+    cp ${./Makefile.local} ./Makefile.local
+  '';
 
   installTargets = [ "copyfiles" ];