diff --git a/pkgs/development/libraries/gdk-pixbuf/default.nix b/pkgs/development/libraries/gdk-pixbuf/default.nix
index 6bfa6bdc2fb..069b78f6bca 100644
--- a/pkgs/development/libraries/gdk-pixbuf/default.nix
+++ b/pkgs/development/libraries/gdk-pixbuf/default.nix
@@ -52,6 +52,9 @@ stdenv.mkDerivation rec {
       packageName = pname;
       attrPath = "gdk_pixbuf";
     };
+
+    # gdk_pixbuf_moduledir variable from gdk-pixbuf-2.0.pc
+    moduleDir = "lib/gdk-pixbuf-2.0/2.10.0/loaders";
   };
 
   meta = with stdenv.lib; {