diff --git a/config b/config
index 853eb6f..96233cc 100644
--- a/config
+++ b/config
@@ -153,12 +153,14 @@ bindsym $mod+Shift+9 move container to workspace $wspace9
 bindsym $mod+Shift+0 move container to workspace $wspace10
 
 # assign specific window to workspace
-assign [class="^Firefox$"] → $wspace1
-assign [instance="^.*jetbrains-idea-.*$"] → $wspace2
-assign [class="^st-256color$"] → $wspace3
-assign [class="^Nautilus$"] → $wspace4
-assign [class="^Gedit$"] → $wspace5
-assign [class="^TelegramDesktop$"] → $wspace9
+assign [class="(?i)^Firefox$"] → $wspace1
+assign [class="(?i)^jetbrains-idea-.*$"] → $wspace2
+assign [class="(?i)^st-256color$"] → $wspace3
+assign [class="(?i)^Nautilus$"] → $wspace4
+assign [class="(?i)^Gedit$"] → $wspace5
+assign [class="(?i)^TelegramDesktop$"] → $wspace9
+assign [class="(?i)^vlc$"] → $wspace10
+assign [class="(?i)^mpv$"] → $wspace10
 
 workspace_auto_back_and_forth yes