diff --git a/pkgs/applications/science/chemistry/avogadro/default.nix b/pkgs/applications/science/chemistry/avogadro/default.nix
index 21e62bf2bc9..702f4c28912 100644
--- a/pkgs/applications/science/chemistry/avogadro/default.nix
+++ b/pkgs/applications/science/chemistry/avogadro/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   name = "avogadro-1.0.3";
 
   src = fetchurl {
-    url = "mirror://sourceforge/avogardro/${name}.tar.bz2";
+    url = "mirror://sourceforge/avogadro/${name}.tar.bz2";
     sha256 = "0s44r78vm7hf4cs13d2qki3gf178gjj1ihph6rs04g6s4figvdpg";
   };