diff --git a/plugins/ets/tests/interop_js/gtest_plugin/ets_interop_js_gtest.cpp b/plugins/ets/tests/interop_js/gtest_plugin/ets_interop_js_gtest.cpp
index d5fb0c580aa824cf24dee27c2568be483c5b50ca..a92e1030759444560857d717acdcbf62cf8a17c2 100644
--- a/plugins/ets/tests/interop_js/gtest_plugin/ets_interop_js_gtest.cpp
+++ b/plugins/ets/tests/interop_js/gtest_plugin/ets_interop_js_gtest.cpp
@@ -88,12 +88,14 @@ static napi_value Main(napi_env env, napi_callback_info info)
     }
 
     int argc = js_array_length;
-    std::vector<char *> argv_char(js_array_length);
+    std::vector<char *> argv_char;
+    argv_char.reserve(argv.size());
 
     for (auto &arg : argv) {
         argv_char.emplace_back(arg.data());
     }
 
+    assert(size_t(argc) == argv_char.size());
     ::testing::InitGoogleTest(&argc, argv_char.data());
 
     // Run tests