diff --git a/lua/browser.lua b/lua/browser.lua
index 013dcacf..d4fe759f 100644
--- a/lua/browser.lua
+++ b/lua/browser.lua
@@ -11,133 +11,133 @@ local screen = require("screen")
 local database = require("database")
 local img = require("images")
 
-return screen:new{
-    create_ui = function(self)
-        self.root = lvgl.Object(nil, {
-            flex = {
-                flex_direction = "column",
-                flex_wrap = "wrap",
-                justify_content = "flex-start",
-                align_items = "flex-start",
-                align_content = "flex-start"
-            },
-            w = lvgl.HOR_RES(),
-            h = lvgl.VER_RES()
-        })
-        self.root:center()
+return screen:new {
+  create_ui = function(self)
+    self.root = lvgl.Object(nil, {
+      flex = {
+        flex_direction = "column",
+        flex_wrap = "wrap",
+        justify_content = "flex-start",
+        align_items = "flex-start",
+        align_content = "flex-start"
+      },
+      w = lvgl.HOR_RES(),
+      h = lvgl.VER_RES()
+    })
+    self.root:center()
 
-        self.status_bar = widgets.StatusBar(self, {
-            back_cb = backstack.pop,
-            title = self.title
-        })
+    self.status_bar = widgets.StatusBar(self, {
+      back_cb = backstack.pop,
+      title = self.title
+    })
 
-        local header = self.root:Object{
-            flex = {
-                flex_direction = "column",
-                flex_wrap = "wrap",
-                justify_content = "flex-start",
-                align_items = "flex-start",
-                align_content = "flex-start"
-            },
-            w = lvgl.HOR_RES(),
-            h = lvgl.SIZE_CONTENT,
-            pad_left = 4,
-            pad_right = 4,
-            pad_bottom = 2,
-            scrollbar_mode = lvgl.SCROLLBAR_MODE.OFF
-        }
-        theme.set_subject(header, "header")
+    local header = self.root:Object {
+      flex = {
+        flex_direction = "column",
+        flex_wrap = "wrap",
+        justify_content = "flex-start",
+        align_items = "flex-start",
+        align_content = "flex-start"
+      },
+      w = lvgl.HOR_RES(),
+      h = lvgl.SIZE_CONTENT,
+      pad_left = 4,
+      pad_right = 4,
+      pad_bottom = 2,
+      scrollbar_mode = lvgl.SCROLLBAR_MODE.OFF
+    }
+    theme.set_subject(header, "header")
 
-        if self.breadcrumb then
-            header:Label{
-                text = self.breadcrumb,
-                text_font = font.fusion_10
-            }
-        end
-
-        if (self.mediatype == database.MediaTypes.Music) then
-            local buttons = header:Object({
-                flex = {
-                    flex_direction = "row",
-                    flex_wrap = "wrap",
-                    justify_content = "space-between",
-                    align_items = "center",
-                    align_content = "center"
-                },
-                w = lvgl.PCT(100),
-                h = lvgl.SIZE_CONTENT,
-                pad_column = 4
-            })
-            local original_iterator = self.iterator:clone()
-            local enqueue = widgets.IconBtn(buttons, img.enqueue, "Enqueue")
-            enqueue:onClicked(function()
-                queue.add(original_iterator)
-                playback.playing:set(true)
-            end)
-            local shuffle_play = widgets.IconBtn(buttons, img.shuffleplay, "Shuffle")
-            shuffle_play:onClicked(function()
-                queue.clear()
-                queue.random:set(true)
-                queue.add(original_iterator)
-                playback.playing:set(true)
-                backstack.push(playing:new())
-            end)
-            -- enqueue:add_flag(lvgl.FLAG.HIDDEN)
-            local play = widgets.IconBtn(buttons, img.play_small, "Play")
-            play:onClicked(function()
-                queue.clear()
-                queue.random:set(false)
-                queue.add(original_iterator)
-                playback.playing:set(true)
-                backstack.push(playing:new())
-            end)
-        end
+    if self.breadcrumb then
+      header:Label {
+        text = self.breadcrumb,
+        text_font = font.fusion_10
+      }
+    end
 
-        local get_icon_func = nil
-        local show_listened = self.mediatype == database.MediaTypes.Audiobook or self.mediatype == database.MediaTypes.Podcast
-        if show_listened then
-            get_icon_func = function (item) 
-                local contents = item:contents()
-                if type(contents) == "userdata" then
-                    return
-                else
-                    local track = database.track_by_id(contents)
-                    if not track then return end
-                    if (track.play_count > 0) then
-                        return img.listened
-                    else 
-                        return img.unlistened
-                    end
-                end
+    if (self.mediatype == database.MediaTypes.Music) then
+      local buttons = header:Object({
+        flex = {
+          flex_direction = "row",
+          flex_wrap = "wrap",
+          justify_content = "space-between",
+          align_items = "center",
+          align_content = "center"
+        },
+        w = lvgl.PCT(100),
+        h = lvgl.SIZE_CONTENT,
+        pad_column = 4
+      })
+      local original_iterator = self.iterator:clone()
+      local enqueue = widgets.IconBtn(buttons, img.enqueue, "Enqueue")
+      enqueue:onClicked(function()
+        queue.add(original_iterator)
+        playback.playing:set(true)
+      end)
+      local shuffle_play = widgets.IconBtn(buttons, img.shuffleplay, "Shuffle")
+      shuffle_play:onClicked(function()
+        queue.clear()
+        queue.random:set(true)
+        queue.add(original_iterator)
+        playback.playing:set(true)
+        backstack.push(playing:new())
+      end)
+      -- enqueue:add_flag(lvgl.FLAG.HIDDEN)
+      local play = widgets.IconBtn(buttons, img.play_small, "Play")
+      play:onClicked(function()
+        queue.clear()
+        queue.random:set(false)
+        queue.add(original_iterator)
+        playback.playing:set(true)
+        backstack.push(playing:new())
+      end)
+    end
 
-            end
+    local get_icon_func = nil
+    local show_listened = self.mediatype == database.MediaTypes.Audiobook or
+    self.mediatype == database.MediaTypes.Podcast
+    if show_listened then
+      get_icon_func = function(item)
+        local contents = item:contents()
+        if type(contents) == "userdata" then
+          return
+        else
+          local track = database.track_by_id(contents)
+          if not track then return end
+          if (track.play_count > 0) then
+            return img.listened
+          else
+            return img.unlistened
+          end
         end
+      end
+    end
 
-        widgets.InfiniteList(self.root, self.iterator, {
-            get_icon = get_icon_func,
-            callback = function(item) 
-                return function()
-                    local contents = item:contents()
-                    if type(contents) == "userdata" then
-                        backstack.push(require("browser"):new{
-                            title = self.title,
-                            iterator = contents,
-                            mediatype = self.mediatype,
-                            breadcrumb = tostring(item)
-                        })
-                    else
-                        queue.clear()
-                        local track = database.track_by_id(contents)
-                        if (track) then
-                            queue.play_from(track.filepath, track.saved_position)
-                        else 
-                            queue.add(contents)
-                        end
-                        playback.playing:set(true)
-                        backstack.push(playing:new())
-                    end
-                end
+    widgets.InfiniteList(self.root, self.iterator, {
+      get_icon = get_icon_func,
+      callback = function(item)
+        return function()
+          local contents = item:contents()
+          if type(contents) == "userdata" then
+            backstack.push(require("browser"):new {
+              title = self.title,
+              iterator = contents,
+              mediatype = self.mediatype,
+              breadcrumb = tostring(item)
+            })
+          else
+            queue.clear()
+            local track = database.track_by_id(contents)
+            if (track) then
+              queue.play_from(track.filepath, track.saved_position)
+            else
+              queue.add(contents)
             end
-        })
-    end
+            playback.playing:set(true)
+            backstack.push(playing:new())
+          end
+        end
+      end
+    })
+  end
 }