diff --git a/pkgs/applications/networking/mailreaders/thunderbird-bin/default.nix b/pkgs/applications/networking/mailreaders/thunderbird-bin/default.nix
index a5806b7dfe88..4dd734ed0430 100644
--- a/pkgs/applications/networking/mailreaders/thunderbird-bin/default.nix
+++ b/pkgs/applications/networking/mailreaders/thunderbird-bin/default.nix
@@ -134,7 +134,7 @@ stdenv.mkDerivation {
       [Desktop Entry]
       Type=Application
       Exec=$out/bin/thunderbird
-      Icon=$out/lib/thunderbird-bin-${version}/chrome/icons/default/default256.png
+      Icon=$out/usr/lib/thunderbird-bin-${version}/chrome/icons/default/default256.png
       Name=Thunderbird
       GenericName=Mail Reader
       Categories=Application;Network;