diff --git a/pkgs/desktops/e19/efl.nix b/pkgs/desktops/e19/efl.nix
index 86530fecb59..dc153fd7b38 100644
--- a/pkgs/desktops/e19/efl.nix
+++ b/pkgs/desktops/e19/efl.nix
@@ -28,12 +28,12 @@ stdenv.mkDerivation rec {
     "--disable-tslib" "--with-systemdunitdir=$out/systemd/user"
     "ac_ct_CXX=foo" ];
 
-  NIX_CFLAGS_COMPILE = [ "-I${xorg.libXtst.dev}" "-I${dbus_libs.dev}/include/dbus-1.0" "-I${dbus_libs.lib}/lib/dbus-1.0/include" ];
+  NIX_CFLAGS_COMPILE = [ "-I${xorg.libXtst}" "-I${dbus_libs.dev}/include/dbus-1.0" "-I${dbus_libs.lib}/lib/dbus-1.0/include" ];
 
   patches = [ ./efl-elua.patch ];
 
   preConfigure = ''
-    export PKG_CONFIG_PATH="${gst_all_1.gst-plugins-base.dev}/lib/pkgconfig/gstreamer-video-0.10.pc:$PKG_CONFIG_PATH"
+    export PKG_CONFIG_PATH="${gst_all_1.gst-plugins-base}/lib/pkgconfig/gstreamer-video-0.10.pc:$PKG_CONFIG_PATH"
     export LD_LIBRARY_PATH="$(pwd)/src/lib/eina/.libs:$LD_LIBRARY_PATH"
   '';