diff --git a/packages/runtime-core/src/renderer.ts b/packages/runtime-core/src/renderer.ts
index fa1f08c3c9c..50f8c75f030 100644
--- a/packages/runtime-core/src/renderer.ts
+++ b/packages/runtime-core/src/renderer.ts
@@ -1086,7 +1086,11 @@ function baseCreateRenderer(
       // since they are either generated by the compiler, or implicitly created
       // from arrays.
       mountChildren(
-        n2.children as VNodeArrayChildren,
+        // #10007
+        // such fragment like `<></>` will be compiled into
+        // a fragment which doesn't have a children.
+        // In this case fallback to an empty array
+        (n2.children || []) as VNodeArrayChildren,
         container,
         fragmentEndAnchor,
         parentComponent,