diff --git a/src/runtime/internal/dom.ts b/src/runtime/internal/dom.ts
index e9976a7fa6d8..f3fa7716735e 100644
--- a/src/runtime/internal/dom.ts
+++ b/src/runtime/internal/dom.ts
@@ -186,7 +186,7 @@ export function append_hydration(target: NodeEx, node: NodeEx) {
 		} else {
 			target.actual_end_child = node.nextSibling;
 		}
-	} else if (node.parentNode !== target) {
+	} else if (node.parentNode !== target || node.nextSibling !== null) {
 		target.appendChild(node);
 	}
 }