diff --git a/src/util-inl.h b/src/util-inl.h
index 69dc5b2a61a1a9..7ff6e51937bde7 100644
--- a/src/util-inl.h
+++ b/src/util-inl.h
@@ -157,8 +157,8 @@ inline v8::Local<v8::String> OneByteString(v8::Isolate* isolate,
                                            int length) {
   return v8::String::NewFromOneByte(isolate,
                                     reinterpret_cast<const uint8_t*>(data),
-                                    v8::String::kNormalString,
-                                    length);
+                                    v8::NewStringType::kNormal,
+                                    length).ToLocalChecked();
 }
 
 inline v8::Local<v8::String> OneByteString(v8::Isolate* isolate,
@@ -166,8 +166,8 @@ inline v8::Local<v8::String> OneByteString(v8::Isolate* isolate,
                                            int length) {
   return v8::String::NewFromOneByte(isolate,
                                     reinterpret_cast<const uint8_t*>(data),
-                                    v8::String::kNormalString,
-                                    length);
+                                    v8::NewStringType::kNormal,
+                                    length).ToLocalChecked();
 }
 
 inline v8::Local<v8::String> OneByteString(v8::Isolate* isolate,
@@ -175,8 +175,8 @@ inline v8::Local<v8::String> OneByteString(v8::Isolate* isolate,
                                            int length) {
   return v8::String::NewFromOneByte(isolate,
                                     reinterpret_cast<const uint8_t*>(data),
-                                    v8::String::kNormalString,
-                                    length);
+                                    v8::NewStringType::kNormal,
+                                    length).ToLocalChecked();
 }
 
 template <typename TypeName>