diff --git a/pkgs/applications/networking/browsers/firefox/common.nix b/pkgs/applications/networking/browsers/firefox/common.nix
index f7c4990fe2ee..fb4c326be5b3 100644
--- a/pkgs/applications/networking/browsers/firefox/common.nix
+++ b/pkgs/applications/networking/browsers/firefox/common.nix
@@ -202,7 +202,7 @@ let
 in
 
 buildStdenv.mkDerivation ({
-  name = "${pname}-unwrapped-${version}";
+  pname = "${pname}-unwrapped";
   inherit version;
 
   inherit src unpackPhase meta;