diff --git a/src/heap_utils.cc b/src/heap_utils.cc
index 7b93698c7fe125..4708e57e2bb9bb 100644
--- a/src/heap_utils.cc
+++ b/src/heap_utils.cc
@@ -180,6 +180,7 @@ class JSGraph : public EmbedderGraph {
       size_t i = 0;
       size_t j = 0;
       for (const auto& edge : edge_info.second) {
+        HandleScope handle_scope(isolate_);
         Local<Object> to_object = info_objects[edge.second];
         Local<Object> edge_obj = Object::New(isolate_);
         Local<Value> edge_name_value;