diff --git a/pkgs/development/libraries/webkitgtk/2.10.nix b/pkgs/development/libraries/webkitgtk/2.10.nix
index a76a19ad41d..e74cc6421b2 100644
--- a/pkgs/development/libraries/webkitgtk/2.10.nix
+++ b/pkgs/development/libraries/webkitgtk/2.10.nix
@@ -59,7 +59,7 @@ stdenv.mkDerivation rec {
 
   # XXX: WebKit2 missing include path for gst-plugins-base.
   # Filled: https://bugs.webkit.org/show_bug.cgi?id=148894
-  NIX_CFLAGS_COMPILE = "-I${gst-plugins-base}/include/gstreamer-1.0";
+  NIX_CFLAGS_COMPILE = "-I${gst-plugins-base.dev}/include/gstreamer-1.0";
 
   nativeBuildInputs = [
     cmake perl python ruby bison gperf sqlite
diff --git a/pkgs/development/libraries/webkitgtk/2.12.nix b/pkgs/development/libraries/webkitgtk/2.12.nix
index 05bd5ccb69c..3de8a942082 100644
--- a/pkgs/development/libraries/webkitgtk/2.12.nix
+++ b/pkgs/development/libraries/webkitgtk/2.12.nix
@@ -35,7 +35,7 @@ stdenv.mkDerivation rec {
 
   # XXX: WebKit2 missing include path for gst-plugins-base.
   # Filled: https://bugs.webkit.org/show_bug.cgi?id=148894
-  NIX_CFLAGS_COMPILE = "-I${gst-plugins-base}/include/gstreamer-1.0";
+  NIX_CFLAGS_COMPILE = "-I${gst-plugins-base.dev}/include/gstreamer-1.0";
 
   nativeBuildInputs = [
     cmake perl python ruby bison gperf sqlite