diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index e76e94bd2e70..b71c752caecc 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -8926,7 +8926,7 @@ let
     inherit fetchurl stdenv;
   };
 
-  thunderbird = thunderbird2;
+  thunderbird = thunderbird3;
 
   thunderbird2 = import ../applications/networking/mailreaders/thunderbird/2.x.nix {
     inherit fetchurl stdenv pkgconfig perl zip libjpeg libpng zlib cairo;