diff --git a/pkgs/development/tools/grabserial/default.nix b/pkgs/development/tools/grabserial/default.nix
index 59b7bdb248e..bafde1f9687 100644
--- a/pkgs/development/tools/grabserial/default.nix
+++ b/pkgs/development/tools/grabserial/default.nix
@@ -3,6 +3,7 @@
 buildPythonPackage rec {
 
   name = "grabserial-20141120";
+  namePrefix = "";
 
   src = fetchgit {
     url = https://github.com/tbird20d/grabserial.git;