diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 45075e953b78..d06e9fbaa046 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -13112,7 +13112,7 @@ let
 
     src = pkgs.fetchurl {
       url = "https://github.com/erikrose/more-itertools/archive/2.2.tar.gz";
-      ha256 = "4606417182e0a1289e23fb7f964a64ca9fdaafb7c1999034dc4fa0cc5850c478";
+      sha256 = "4606417182e0a1289e23fb7f964a64ca9fdaafb7c1999034dc4fa0cc5850c478";
     };
    
     propagatedBuildInputs = with self; [ nose ];