diff --git a/pkgs/desktops/gnome-3/3.12/core/libzapojit/default.nix b/pkgs/desktops/gnome-3/3.12/core/libzapojit/default.nix
index 5e2559899b7..5a8117528b6 100644
--- a/pkgs/desktops/gnome-3/3.12/core/libzapojit/default.nix
+++ b/pkgs/desktops/gnome-3/3.12/core/libzapojit/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   name = "libzapojit-0.0.3";
 
   src = fetchurl {
-    url = "mirror://gnome/sources//3.10/${name}.tar.xz";
+    url = "mirror://gnome/sources/libzapojit/0.0/${name}.tar.xz";
     sha256 = "0zn3s7ryjc3k1abj4k55dr2na844l451nrg9s6cvnnhh569zj99x";
   };