diff --git a/ecmascript/dfx/hprof/rawheap_translate/rawheap_translate.cpp b/ecmascript/dfx/hprof/rawheap_translate/rawheap_translate.cpp
index bc2a80154d24d43f92254369ed820ea9c93f33ab..5ddf6dabe384a59d143b05bb15d5bf5d56ac97b8 100644
--- a/ecmascript/dfx/hprof/rawheap_translate/rawheap_translate.cpp
+++ b/ecmascript/dfx/hprof/rawheap_translate/rawheap_translate.cpp
@@ -766,8 +766,8 @@ void RawHeapTranslateV2::BuildFieldEdges(Node *node, std::vector<Node *> &refs)
     }
 
     for (auto &field : meta->fields) {
-        size_t index = field.offset / sizeof(uint64_t) - 1;
-        if (index >= refs.size() || index < 0) {
+        int index = field.offset / sizeof(uint64_t) - 1;
+        if (index < 0 || static_cast<size_t>(index) >= refs.size()) {
             continue;
         }