diff --git a/pkgs/applications/networking/irc/quassel/source.nix b/pkgs/applications/networking/irc/quassel/source.nix
index 17d12b575d7..f3941ee976e 100644
--- a/pkgs/applications/networking/irc/quassel/source.nix
+++ b/pkgs/applications/networking/irc/quassel/source.nix
@@ -1,9 +1,9 @@
 { fetchurl }:
 
 rec {
-  version = "0.12.3";
+  version = "0.12.4";
   src = fetchurl {
-    url = "http://quassel-irc.org/pub/quassel-${version}.tar.bz2";
-    sha256 = "0d6lwf6qblj1ia5j9mjy112zrmpbbg9mmxgscbgxiqychldyjgjd";
+    url = "https://github.com/quassel/quassel/archive/${version}.tar.gz";
+    sha256 = "0q2qlhy1d6glw9pwxgcgwvspd1mkk3yi6m21dx9gnj86bxas2qs2";
   };
 }