diff --git a/TODO.txt b/TODO.txt
index 7404db6..7c74774 100644
--- a/TODO.txt
+++ b/TODO.txt
@@ -5,5 +5,4 @@ TODO:
 - add chat command to show formspec in case suppored UI handler not available
 - support protection mods (don't allow bookmarks to be set in protected areas that player can't access)
 	- areas
-- support inventory mods:
-	- i3
+- fix i3 support
diff --git a/changelog.txt b/changelog.txt
index e93319b..ece601e 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -2,6 +2,7 @@
 v1.1
 ----
 - added unified_inventory support
+- added i3 support
 
 v1.0
 ----
diff --git a/mod.conf b/mod.conf
index fb85100..ee04b62 100644
--- a/mod.conf
+++ b/mod.conf
@@ -5,4 +5,4 @@ version = 1.0
 license = MIT
 author = Jordan Irwin (AntumDeluge)
 depends = wdata
-optional_depends = sfinv_buttons, unified_inventory, simple_protection
+optional_depends = sfinv_buttons, unified_inventory, i3, simple_protection
diff --git a/ui.lua b/ui.lua
index fdfc29b..d6fb370 100644
--- a/ui.lua
+++ b/ui.lua
@@ -2,6 +2,7 @@
 local S = core.get_translator(pbmarks.modname)
 
 local ui_handlers = {
+	"i3",
 	"sfinv_buttons",
 	"unified_inventory",
 }
@@ -9,6 +10,22 @@ local ui_handlers = {
 local handler_available = false
 
 
+if core.global_exists("i3") then
+	i3.new_tab({
+		name = pbmarks.modname,
+		description = S("Personal Bookmarks"),
+		formspec = function(player, data, fs)
+			-- FIXME:
+			--   - use i3 widgets
+			--   - inventory widgets are missing after close
+			i3.set_tab(player, "inventory")
+			pbmarks.show_formspec(player:get_player_name(), {noback=true})
+		end,
+	})
+
+	handler_available = true
+end
+
 if core.global_exists("sfinv_buttons") then
 	sfinv_buttons.register_button(pbmarks.modname, {
 		title = S("Personal Bookmarks"),