diff --git a/pkgs/development/python-modules/mrbob/default.nix b/pkgs/development/python-modules/mrbob/default.nix
index 388e0148d0a0..dd255d4d0049 100644
--- a/pkgs/development/python-modules/mrbob/default.nix
+++ b/pkgs/development/python-modules/mrbob/default.nix
@@ -3,11 +3,12 @@
 }:
 
 buildPythonPackage rec {
-  pname = "mrbob";
+  pname = "mr-bob";
   version = "0.1.2";
 
   src = fetchPypi {
-    inherit pname version;
+    inherit version;
+    pname = "mr.bob";
     sha256 = "6737eaf98aaeae85e07ebef844ee5156df2f06a8b28d7c3dcb056f811c588121";
   };