diff --git a/X/i3.config b/X/i3.config
index 6676da5..ba7b13c 100644
--- a/X/i3.config
+++ b/X/i3.config
@@ -33,7 +33,7 @@ bindsym $mod+Shift+Q kill
 bindsym $mod+p exec dmenu_run
 
 # start firefox
-bindsym $mod++Shift+f exec firefox
+bindsym $mod++Shift+f exec firefox || iceweasel
 
 # start cmus
 bindsym $mod+m exec music
@@ -166,6 +166,7 @@ bindsym $mod+F10 exec amixer -c 0 set PCM 5+
 # Application Workspace assignment
 
 assign [class="Firefox"] $ws2
+assign [class="Iceweasel"] $ws2
 assign [title="ssh"] $ws4
 assign [class="Thunderbird"] $ws7
 assign [title="music"] $ws8