diff --git a/pkgs/development/libraries/gstreamer/libav/default.nix b/pkgs/development/libraries/gstreamer/libav/default.nix
index d539811462c..47be4c8f4a0 100644
--- a/pkgs/development/libraries/gstreamer/libav/default.nix
+++ b/pkgs/development/libraries/gstreamer/libav/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchurl, pkgconfig, python, yasm
 , gst-plugins-base, orc, bzip2
-, withSystemLibav ? false, libav ? null
+, withSystemLibav ? true, libav ? null
 }:
 
 assert withSystemLibav -> libav != null;