diff --git a/pkgs/development/libraries/phonon/backends/gstreamer.nix b/pkgs/development/libraries/phonon/backends/gstreamer.nix
index 1fb542c2c5f4..56d40f818338 100644
--- a/pkgs/development/libraries/phonon/backends/gstreamer.nix
+++ b/pkgs/development/libraries/phonon/backends/gstreamer.nix
@@ -35,7 +35,7 @@ stdenv.mkDerivation rec {
 
   NIX_CFLAGS_COMPILE = [
     # This flag should be picked up through pkgconfig, but it isn't.
-    "-I${gst_all_1.gstreamer}/lib/gstreamer-1.0/include"
+    "-I${gst_all_1.gstreamer.dev}/lib/gstreamer-1.0/include"
   ];
 
   nativeBuildInputs = [ cmake pkgconfig ] ++ optional withQt5 extra-cmake-modules;