diff --git a/src/app/components/Octicon.ts b/src/app/components/Octicon.ts
index e296fe38..614cac9d 100644
--- a/src/app/components/Octicon.ts
+++ b/src/app/components/Octicon.ts
@@ -33,5 +33,6 @@ export const Octicon = {
   tag: '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" width="16" height="16"><path fill-rule="evenodd" d="M2.5 7.775V2.75a.25.25 0 01.25-.25h5.025a.25.25 0 01.177.073l6.25 6.25a.25.25 0 010 .354l-5.025 5.025a.25.25 0 01-.354 0l-6.25-6.25a.25.25 0 01-.073-.177zm-1.5 0V2.75C1 1.784 1.784 1 2.75 1h5.025c.464 0 .91.184 1.238.513l6.25 6.25a1.75 1.75 0 010 2.474l-5.026 5.026a1.75 1.75 0 01-2.474 0l-6.25-6.25A1.75 1.75 0 011 7.775zM6 5a1 1 0 100 2 1 1 0 000-2z"></path></svg>',
   trashcan: '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" width="16" height="16"><path fill-rule="evenodd" d="M6.5 1.75a.25.25 0 01.25-.25h2.5a.25.25 0 01.25.25V3h-3V1.75zm4.5 0V3h2.25a.75.75 0 010 1.5H2.75a.75.75 0 010-1.5H5V1.75C5 .784 5.784 0 6.75 0h2.5C10.216 0 11 .784 11 1.75zM4.496 6.675a.75.75 0 10-1.492.15l.66 6.6A1.75 1.75 0 005.405 15h5.19c.9 0 1.652-.681 1.741-1.576l.66-6.6a.75.75 0 00-1.492-.149l-.66 6.6a.25.25 0 01-.249.225h-5.19a.25.25 0 01-.249-.225l-.66-6.6z"></path></svg>',
   three_bars: '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" width="16" height="16"><path fill-rule="evenodd" d="M1 2.75A.75.75 0 011.75 2h12.5a.75.75 0 110 1.5H1.75A.75.75 0 011 2.75zm0 5A.75.75 0 011.75 7h12.5a.75.75 0 110 1.5H1.75A.75.75 0 011 7.75zM1.75 12a.75.75 0 100 1.5h12.5a.75.75 0 100-1.5H1.75z"></path></svg>',
+  unfold: '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" width="16" height="16"><path d="M8.177.677l2.896 2.896a.25.25 0 01-.177.427H8.75v1.25a.75.75 0 01-1.5 0V4H5.104a.25.25 0 01-.177-.427L7.823.677a.25.25 0 01.354 0zM7.25 10.75a.75.75 0 011.5 0V12h2.146a.25.25 0 01.177.427l-2.896 2.896a.25.25 0 01-.354 0l-2.896-2.896A.25.25 0 015.104 12H7.25v-1.25zm-5-2a.75.75 0 000-1.5h-.5a.75.75 0 000 1.5h.5zM6 8a.75.75 0 01-.75.75h-.5a.75.75 0 010-1.5h.5A.75.75 0 016 8zm2.25.75a.75.75 0 000-1.5h-.5a.75.75 0 000 1.5h.5zM12 8a.75.75 0 01-.75.75h-.5a.75.75 0 010-1.5h.5A.75.75 0 0112 8zm2.25.75a.75.75 0 000-1.5h-.5a.75.75 0 000 1.5h.5z"></path></svg>',
   x: '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" width="16" height="16"><path fill-rule="evenodd" d="M3.72 3.72a.75.75 0 011.06 0L8 6.94l3.22-3.22a.75.75 0 111.06 1.06L9.06 8l3.22 3.22a.75.75 0 11-1.06 1.06L8 9.06l-3.22 3.22a.75.75 0 01-1.06-1.06L6.94 8 3.72 4.78a.75.75 0 010-1.06z"></path></svg>',
 }
diff --git a/src/app/components/panels/TreePanel.ts b/src/app/components/panels/TreePanel.ts
index 2c3c06c1..2c59094d 100644
--- a/src/app/components/panels/TreePanel.ts
+++ b/src/app/components/panels/TreePanel.ts
@@ -78,12 +78,6 @@ export const TreePanel = (view: View, model: DataModel) => {
   })
   return `<div class="panel tree-panel">
     <div class="panel-controls">
-      <div class="btn" data-id="${view.onClick(() => {
-        App.treeMinimized.set(!App.treeMinimized.get())
-        Tracker.toggleMinimize(App.treeMinimized.get())
-      })}">
-        ${Octicon.fold}<span data-i18n="minimize"></span>
-      </div>
       <div class="panel-menu no-relative" data-id="${presetControl}">
         <div class="btn" data-id="${view.onClick(el => {
           toggleMenu(el)
@@ -130,6 +124,16 @@ export const TreePanel = (view: View, model: DataModel) => {
           })}">
             ${Octicon.history}<span data-i18n="reset"></span>
           </div>
+          <div class="btn" data-id="${view.register(el => {
+            el.addEventListener('click', () => {
+              const value = !App.treeMinimized.get()
+              App.treeMinimized.set(value)
+              Tracker.toggleMinimize(value)
+            })
+            App.treeMinimized.watchRun(value => {
+              view.mount(el, `${Octicon[value ? 'unfold' : 'fold']}<span data-i18n="${value ? 'maximize' : 'minimize'}"></span>`, false)
+            })
+          })}"></div>
           <div class="btn" data-id="${view.onClick(() => {Tracker.undo(); model.undo()})}">
             ${Octicon.arrow_left}<span data-i18n="undo"></span>
           </div>
diff --git a/src/locales/en.json b/src/locales/en.json
index bd425cf1..3e15ba6f 100644
--- a/src/locales/en.json
+++ b/src/locales/en.json
@@ -15,6 +15,7 @@
   "item-modifier": "Item Modifier",
   "language": "Language",
   "loot-table": "Loot Table",
+  "maximize": "Maximize",
   "minimize": "Minimize",
   "not_found.description": "The page you were looking for does not exist.",
   "predicate": "Predicate",