diff --git a/.config/i3/config.d/desk b/.config/i3/config.d/desk
index 66c35e2..67d9568 100644
--- a/.config/i3/config.d/desk
+++ b/.config/i3/config.d/desk
@@ -54,4 +54,4 @@ bindsym $mod+Shift+v [con_mark="mixer"] scratchpad show
 
 for_window [class="Mail"] resize set 1600 850
 for_window [class="Signal"] resize set 1600 850
-for_window [instance="telegram-desktop"] resize set 1600 850
+for_window [class="telegram-desktop"] resize set 1600 850
diff --git a/.config/i3/config_common b/.config/i3/config_common
index abc3ad7..511f207 100644
--- a/.config/i3/config_common
+++ b/.config/i3/config_common
@@ -218,12 +218,12 @@ for_window [class="Thunderbird"] move position center
 
 # scratchpad
 for_window [class="Signal"] move scratchpad
-for_window [instance="telegram-desktop"] move scratchpad
+for_window [class="telegram-desktop"] move scratchpad
 # we don't use class="Thunderbird" to not move windows like "MsgCompose" to scratchpad : only the main window will be in scratchpad
 for_window [instance="Mail"] move scratchpad
 bindsym $mod+Shift+m [instance="Mail"] scratchpad show, move position center
 bindsym $mod+Shift+s [class="Signal"] scratchpad show, move position center
-bindsym $mod+Shift+t [instance="telegram-desktop"] scratchpad show, move position center
+bindsym $mod+Shift+t [class="telegram-desktop"] scratchpad show, move position center
 
 # automatic workspace
 assign [class="(?i)Atom"] → number 2