diff --git a/packages/runtime-core/src/renderer.ts b/packages/runtime-core/src/renderer.ts
index 680f0c696fe..7b58b5f1b9d 100644
--- a/packages/runtime-core/src/renderer.ts
+++ b/packages/runtime-core/src/renderer.ts
@@ -1110,7 +1110,8 @@ function baseCreateRenderer(
         dynamicChildren &&
         // #2715 the previous fragment could've been a BAILed one as a result
         // of renderSlot() with no valid children
-        n1.dynamicChildren
+        n1.dynamicChildren &&
+        n1.dynamicChildren.length
       ) {
         // a stable fragment (template root or <template v-for>) doesn't need to
         // patch children order, but it may contain dynamicChildren.