diff --git a/pkgs/development/python-modules/pyscreeze/default.nix b/pkgs/development/python-modules/pyscreeze/default.nix
index 4d09929bf0e6..d5261471c8f1 100644
--- a/pkgs/development/python-modules/pyscreeze/default.nix
+++ b/pkgs/development/python-modules/pyscreeze/default.nix
@@ -7,7 +7,7 @@
 , scrot
 }:
 buildPythonPackage rec {
-  pname = "PyScreeze";
+  pname = "pyscreeze";
   version = "0.1.26";
 
   src = fetchFromGitHub {