diff --git a/.config/i3/config b/.config/i3/config
index e8992ff8..02d5ef62 100644
--- a/.config/i3/config
+++ b/.config/i3/config
@@ -66,6 +66,7 @@ for_window [class="Firefox"] move to workspace $w1
 for_window [class="Firefox-esr"] move to workspace $w1
 for_window [class="Waterfox" ] move to workspace $w1
 for_window [class="Liferea" ] move to workspace $w7
+for_window [class="Thunderbird" ] move to workspace $w7
 for_window [class="discord"] move to workspace $w8
 for_window [class="Spotify"] move to workspace $w8