diff --git a/package.json b/package.json
index 226b8d8..1216942 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "dicom-dimse-native",
-  "version": "2.4.0",
+  "version": "2.4.1",
   "description": "native addon using DCMTK dicom toolkit",
   "main": "index.js",
   "scripts": {
diff --git a/src/FindAsyncWorker.cc b/src/FindAsyncWorker.cc
index 2801360..aed1535 100644
--- a/src/FindAsyncWorker.cc
+++ b/src/FindAsyncWorker.cc
@@ -267,7 +267,9 @@ void FindAsyncWorker::Execute(const ExecutionProgress &progress)
             std::string vr = std::string(t.getVR().getVRName());
             json jsonValue = json::array();
             if (vr == "PN") {
-                jsonValue.push_back({json{{"Alphabetic", value}}});
+                json j;
+                j["Alphabetic"] = value;
+                jsonValue.push_back(j);
             }
             else if (vr == "IS" || vr == "SL" || vr == "SS" || vr == "UL" || vr == "US") {
                 if (value.length() == 0) {