diff --git a/.config/i3/config.d/desk b/.config/i3/config.d/desk
index 59f7724..232d9bb 100644
--- a/.config/i3/config.d/desk
+++ b/.config/i3/config.d/desk
@@ -59,6 +59,6 @@ for_window [class="Catia*"] mark "jack", move scratchpad
 bindsym $mod+Shift+j [con_mark="jack"] scratchpad show
 bindsym $mod+Shift+v [con_mark="mixer"] scratchpad show
 
-for_window [class="Mail"] resize set 1600 850
+for_window [class="thunderbird"] resize set 1600 850
 for_window [class="Signal"] resize set 1600 850
 for_window [class="Telegram"] resize set 1600 850
diff --git a/.config/i3/config.d/laptop b/.config/i3/config.d/laptop
index 01f5ec4..df57261 100644
--- a/.config/i3/config.d/laptop
+++ b/.config/i3/config.d/laptop
@@ -38,6 +38,6 @@ exec --no-startup-id xinput set-prop 'Microsoft Microsoft 3-Button Mouse with In
 ##################################
 
 # Larger Thunderbird floating window
-for_window [class="Mail"] resize set 2500 1500
+for_window [class="thunderbird"] resize set 2500 1500
 for_window [class="Signal"] resize set 2500 1500
 for_window [class="Telegram"] resize set 2500 1500