diff --git a/src/common/runtime/standalone.ts b/src/common/runtime/standalone.ts
index 932c5668b587..0305031cc790 100644
--- a/src/common/runtime/standalone.ts
+++ b/src/common/runtime/standalone.ts
@@ -369,6 +369,9 @@ function makeSubtreeChildrenHTML(
   const runMySubtree = async () => {
     const results: SubtreeResult[] = [];
     for (const { runSubtree } of childFns) {
+      if (stopRequested) {
+        break;
+      }
       results.push(await runSubtree());
     }
     return mergeSubtreeResults(...results);