diff --git a/packages/plugin-r3f/src/components/Editor.tsx b/packages/plugin-r3f/src/components/Editor.tsx
index 3efd795..64cc611 100644
--- a/packages/plugin-r3f/src/components/Editor.tsx
+++ b/packages/plugin-r3f/src/components/Editor.tsx
@@ -73,7 +73,7 @@ const Editor: VFC = () => {
       shallow,
     )
 
-  const editorOpen = !!useVal(editorObject?.props._isOpen)
+  const editorOpen = useVal(editorObject?.props.isOpen)
   useLayoutEffect(() => {
     if (editorOpen) {
       createSnapshot()
@@ -120,7 +120,7 @@ const Editor: VFC = () => {
                   className="fixed bottom-5 left-5"
                   onClick={() => {
                     studio.transaction(({set}) => {
-                      set(editorObject.props._isOpen, 1)
+                      set(editorObject.props.isOpen, true)
                     })
                   }}
                 >
diff --git a/packages/plugin-r3f/src/components/UI.tsx b/packages/plugin-r3f/src/components/UI.tsx
index 95045f4..283466f 100644
--- a/packages/plugin-r3f/src/components/UI.tsx
+++ b/packages/plugin-r3f/src/components/UI.tsx
@@ -139,7 +139,7 @@ const UI: VFC = () => {
             className="absolute left-0 bottom-0 pointer-events-auto"
             onClick={() =>
               studio.transaction(({set}) => {
-                set(editorObject.props._isOpen, 0)
+                set(editorObject.props.isOpen, false)
               })
             }
           >
diff --git a/packages/plugin-r3f/src/store.ts b/packages/plugin-r3f/src/store.ts
index a710449..ead885d 100644
--- a/packages/plugin-r3f/src/store.ts
+++ b/packages/plugin-r3f/src/store.ts
@@ -366,7 +366,7 @@ export type BindFunction = (options: {
 
 const editorSheetObjectConfig = {
   props: types.compound({
-    _isOpen: types.number(0),
+    isOpen: types.boolean(false),
   }),
 }