diff --git a/pkgs/tools/backup/b2/default.nix b/pkgs/tools/backup/b2/default.nix
index 5bdeea95321d..023b4af83989 100644
--- a/pkgs/tools/backup/b2/default.nix
+++ b/pkgs/tools/backup/b2/default.nix
@@ -2,6 +2,7 @@
 
 pythonPackages.buildPythonPackage rec {
   name = "b2-${version}";
+  namePrefix = "";
   version = "0.4.4";
 
   src = fetchFromGitHub {