diff --git a/pkgs/applications/networking/mailreaders/thunderbird/default.nix b/pkgs/applications/networking/mailreaders/thunderbird/default.nix
index eb55976e2e93..09faec5feb20 100644
--- a/pkgs/applications/networking/mailreaders/thunderbird/default.nix
+++ b/pkgs/applications/networking/mailreaders/thunderbird/default.nix
@@ -316,7 +316,7 @@ stdenv.mkDerivation rec {
   ];
 
   passthru.updateScript = import ./../../browsers/firefox/update.nix {
-    attrPath = "thunderbird";
+    attrPath = "thunderbird-78";
     baseUrl = "http://archive.mozilla.org/pub/thunderbird/releases/";
     inherit writeScript lib common-updater-scripts xidel coreutils gnused
       gnugrep curl runtimeShell;