diff --git a/packages/runtime-core/src/renderer.ts b/packages/runtime-core/src/renderer.ts index 5122e7a91..15f86faa4 100644 --- a/packages/runtime-core/src/renderer.ts +++ b/packages/runtime-core/src/renderer.ts @@ -848,7 +848,11 @@ function baseCreateRenderer( } if (parentComponent) { let subTree = parentComponent.subTree - if (__DEV__ && subTree.patchFlag & PatchFlags.DEV_ROOT_FRAGMENT) { + if ( + __DEV__ && + subTree.patchFlag > 0 && + subTree.patchFlag & PatchFlags.DEV_ROOT_FRAGMENT + ) { subTree = filterSingleRoot(subTree.children as VNodeArrayChildren) || subTree }