diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 9a18791a190f..e51bc9e9440c 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -510,7 +510,7 @@ rec {
     name = "avro3k-1.7.7-SNAPSHOT";
 
     src = fetchurl {
-      url = "https://pypi.python.org/packages/source/a/avro/${name}.tar.gz";
+      url = "https://pypi.python.org/packages/source/a/avro3k/${name}.tar.gz";
       sha256 = "15ahl0irwwj558s964abdxg4vp6iwlabri7klsm2am6q5r0ngsky";
     };