diff --git a/pkgs/development/python-modules/modestmaps/default.nix b/pkgs/development/python-modules/modestmaps/default.nix
index 202589b7435c..180baaefce77 100644
--- a/pkgs/development/python-modules/modestmaps/default.nix
+++ b/pkgs/development/python-modules/modestmaps/default.nix
@@ -6,12 +6,13 @@
 }:
 
 buildPythonPackage rec {
-  pname = "ModestMaps";
+  pname = "modestmaps";
   version = "1.4.7";
   disabled = !isPy27;
 
   src = fetchPypi {
-    inherit pname version;
+    pname = "ModestMaps";
+    inherit version;
     sha256 = "698442a170f02923f8ea55f18526b56c17178162e44304f896a8a5fd65ab4457";
   };