diff --git a/rc/extra/i3.kak b/rc/extra/i3.kak
index 84bd7dc9..e661fcd7 100644
--- a/rc/extra/i3.kak
+++ b/rc/extra/i3.kak
@@ -20,7 +20,7 @@ add-highlighter shared/i3/code/ regex "\$\w+" 0:variable
 add-highlighter shared/i3/code/ regex "\b(Shift|Control|Ctrl|Mod1|Mod2|Mod3|Mod4|Mod5|Mode_switch|Return|Escape|Print)\b" 0:value
 
 # keywords
-add-highlighter shared/i3/code/ regex "\b(bind|bindcode|bindsym|assign|new_window|popup_during_fullscreen|font|floating_modifier|default_orientation|workspace_layout|for_window|focus_follows_mouse|bar|position|colors|output|tray_output|workspace_buttons|workspace_auto_back_and_forth|binding_mode_indicator|debuglog|floating_minimum_size|floating_maximum_size|force_focus_wrapping|force_xinerama|force_display_urgency_hint|hidden_state|modifier|new_float|shmlog|socket_path|verbose|mouse_warping|strip_workspace_numbers|focus_on_window_activation|no_focus|set|mode|set_from_resource)\b" 0:keyword
+add-highlighter shared/i3/code/ regex "\b(bind|bindcode|bindsym|assign|new_window|default_(floating_)?border|popup_during_fullscreen|font|floating_modifier|default_orientation|workspace_layout|for_window|focus_follows_mouse|bar|position|colors|output|tray_output|workspace_buttons|workspace_auto_back_and_forth|binding_mode_indicator|debuglog|floating_minimum_size|floating_maximum_size|force_focus_wrapping|force_xinerama|force_display_urgency_hint|hidden_state|modifier|new_float|shmlog|socket_path|verbose|mouse_warping|strip_workspace_numbers|focus_on_window_activation|no_focus|set|mode|set_from_resource)\b" 0:keyword
 # function keywords
 add-highlighter shared/i3/code/ regex "\b(exit|reload|restart|kill|fullscreen|global|layout|border|focus|move|open|split|append_layout|mark|unmark|resize|grow|shrink|show|nop|rename|title_format|sticky)\b" 0:function
 add-highlighter shared/i3/code/ regex "\b(exec|exec_always|i3bar_command|status_command)\b" 0:function