diff --git a/pkgs/development/python-modules/molbar/default.nix b/pkgs/development/python-modules/molbar/default.nix
index be23018274fa..d2f608a8049c 100644
--- a/pkgs/development/python-modules/molbar/default.nix
+++ b/pkgs/development/python-modules/molbar/default.nix
@@ -19,7 +19,7 @@
 }:
 
 buildPythonPackage rec {
-  name = "MolBar";
+  pname = "MolBar";
   version = "1.1.1";
 
   src = fetchgit {