diff --git a/pkgs/applications/networking/mailreaders/thunderbird-bin/default.nix b/pkgs/applications/networking/mailreaders/thunderbird-bin/default.nix
index b81128545d5..bd197cfb5ce 100644
--- a/pkgs/applications/networking/mailreaders/thunderbird-bin/default.nix
+++ b/pkgs/applications/networking/mailreaders/thunderbird-bin/default.nix
@@ -169,7 +169,7 @@ stdenv.mkDerivation {
 
   passthru.updateScript = import ./../../browsers/firefox-bin/update.nix {
     inherit writeScript xidel coreutils gnused gnugrep curl gnupg runtimeShell;
-    name = "thunderbird-bin-${version}";
+    pname = "thunderbird-bin";
     baseName = "thunderbird";
     channel = "release";
     basePath = "pkgs/applications/networking/mailreaders/thunderbird-bin";