diff --git a/pkgs/development/python-modules/pyopenssl/default.nix b/pkgs/development/python-modules/pyopenssl/default.nix
index 86a4c847683..6bc8c04ec30 100644
--- a/pkgs/development/python-modules/pyopenssl/default.nix
+++ b/pkgs/development/python-modules/pyopenssl/default.nix
@@ -64,11 +64,12 @@ let
 in
 
 buildPythonPackage rec {
-  pname = "pyOpenSSL";
+  pname = "pyopenssl";
   version = "20.0.1";
 
   src = fetchPypi {
-    inherit pname version;
+    pname = "pyOpenSSL";
+    inherit version;
     sha256 = "4c231c759543ba02560fcd2480c48dcec4dae34c9da7d3747c508227e0624b51";
   };