diff --git a/pkgs/development/libraries/t1lib/default.nix b/pkgs/development/libraries/t1lib/default.nix
index ebd8699dc17c..6470ebd3b466 100644
--- a/pkgs/development/libraries/t1lib/default.nix
+++ b/pkgs/development/libraries/t1lib/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "t1lib-5.1.2";
 
   src = fetchurl {
-    url = "ftp://ftp.nluug.nl/pub/metalab/libs/graphics/t1lib-5.1.2.tar.gz";
+    url = "mirror://metalab/libs/graphics/t1lib-5.1.2.tar.gz";
     sha256 = "0nbvjpnmcznib1nlgg8xckrmsw3haa154byds2h90y2g0nsjh4w2";
   };