diff --git a/frontend/layouts/annotation.vue b/frontend/layouts/annotation.vue
index 9ca3f00e..18f807ff 100644
--- a/frontend/layouts/annotation.vue
+++ b/frontend/layouts/annotation.vue
@@ -78,7 +78,7 @@ export default {
   },
   data() {
     return {
-      drawerLeft: false
+      drawerLeft: null
     }
   },
 
diff --git a/frontend/layouts/project.vue b/frontend/layouts/project.vue
index 30467806..a0580276 100644
--- a/frontend/layouts/project.vue
+++ b/frontend/layouts/project.vue
@@ -48,7 +48,7 @@ export default {
 
   data() {
     return {
-      drawerLeft: false
+      drawerLeft: null
     }
   },