diff --git a/pkgs/development/libraries/lightning/default.nix b/pkgs/development/libraries/lightning/default.nix
index 2a77c8e0623c..951627c81c2f 100644
--- a/pkgs/development/libraries/lightning/default.nix
+++ b/pkgs/development/libraries/lightning/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   name = "lightning-2.0.4";
 
   src = fetchurl {
-    url = "ftp://alpha.gnu.org/gnu/lightning/${name}.tar.gz";
+    url = "ftp://ftp.gnu.org/gnu/lightning/${name}.tar.gz";
     sha256 = "1lrckrx51d5hrv66bc99fd4b7g2wwn4vr304hwq3glfzhb8jqcdy";
   };