diff --git a/src/node.cc b/src/node.cc
index 0e2c020a5e1fd6..138595ba86834c 100644
--- a/src/node.cc
+++ b/src/node.cc
@@ -2351,11 +2351,11 @@ void SetupProcessObject(Environment* env,
   if (uv_exepath(exec_path, &exec_path_len) == 0) {
     exec_path_value = String::NewFromUtf8(env->isolate(),
                                           exec_path,
-                                          v8::NewStringType::kNormal,
+                                          v8::NewStringType::kInternalized,
                                           exec_path_len).ToLocalChecked();
   } else {
     exec_path_value = String::NewFromUtf8(env->isolate(), argv[0],
-        v8::NewStringType::kNormal).ToLocalChecked();
+        v8::NewStringType::kInternalized).ToLocalChecked();
   }
   process->Set(FIXED_ONE_BYTE_STRING(env->isolate(), "execPath"),
                exec_path_value);
diff --git a/src/node.h b/src/node.h
index 7dd55b06ece2c0..636a3ef029732a 100644
--- a/src/node.h
+++ b/src/node.h
@@ -304,7 +304,7 @@ NODE_EXTERN struct uv_loop_s* GetCurrentEventLoop(v8::Isolate* isolate);
     v8::Local<v8::Context> context = isolate->GetCurrentContext();            \
     v8::Local<v8::String> constant_name =                                     \
         v8::String::NewFromUtf8(isolate, #constant,                           \
-            v8::NewStringType::kNormal).ToLocalChecked();                     \
+            v8::NewStringType::kInternalized).ToLocalChecked();               \
     v8::Local<v8::Number> constant_value =                                    \
         v8::Number::New(isolate, static_cast<double>(constant));              \
     v8::PropertyAttribute constant_attributes =                               \
@@ -346,7 +346,7 @@ inline void NODE_SET_METHOD(v8::Local<v8::Template> recv,
   v8::Local<v8::FunctionTemplate> t = v8::FunctionTemplate::New(isolate,
                                                                 callback);
   v8::Local<v8::String> fn_name = v8::String::NewFromUtf8(isolate, name,
-      v8::NewStringType::kNormal).ToLocalChecked();
+      v8::NewStringType::kInternalized).ToLocalChecked();
   t->SetClassName(fn_name);
   recv->Set(fn_name, t);
 }
@@ -361,7 +361,7 @@ inline void NODE_SET_METHOD(v8::Local<v8::Object> recv,
                                                                 callback);
   v8::Local<v8::Function> fn = t->GetFunction();
   v8::Local<v8::String> fn_name = v8::String::NewFromUtf8(isolate, name,
-      v8::NewStringType::kNormal).ToLocalChecked();
+      v8::NewStringType::kInternalized).ToLocalChecked();
   fn->SetName(fn_name);
   recv->Set(fn_name, fn);
 }
@@ -378,7 +378,7 @@ inline void NODE_SET_PROTOTYPE_METHOD(v8::Local<v8::FunctionTemplate> recv,
   v8::Local<v8::FunctionTemplate> t =
       v8::FunctionTemplate::New(isolate, callback, v8::Local<v8::Value>(), s);
   v8::Local<v8::String> fn_name = v8::String::NewFromUtf8(isolate, name,
-      v8::NewStringType::kNormal).ToLocalChecked();
+      v8::NewStringType::kInternalized).ToLocalChecked();
   t->SetClassName(fn_name);
   recv->PrototypeTemplate()->Set(fn_name, t);
 }