diff --git a/pkgs/development/libraries/librsvg/default.nix b/pkgs/development/libraries/librsvg/default.nix
index ea1910733e7..927ee472ec3 100644
--- a/pkgs/development/libraries/librsvg/default.nix
+++ b/pkgs/development/libraries/librsvg/default.nix
@@ -47,7 +47,7 @@ stdenv.mkDerivation rec {
   # Merge gdkpixbuf and librsvg loaders
   postInstall = ''
     mv $GDK_PIXBUF/loaders.cache $GDK_PIXBUF/loaders.cache.tmp
-    cat ${gdk_pixbuf}/lib/gdk-pixbuf-2.0/2.10.0/loaders.cache $GDK_PIXBUF/loaders.cache.tmp > $GDK_PIXBUF/loaders.cache
+    cat ${gdk_pixbuf.out}/lib/gdk-pixbuf-2.0/2.10.0/loaders.cache $GDK_PIXBUF/loaders.cache.tmp > $GDK_PIXBUF/loaders.cache
     rm $GDK_PIXBUF/loaders.cache.tmp
   '';
 }