diff --git a/util/RTCContext.cpp b/util/RTCContext.cpp
index bdcb4f4..77a2763 100644
--- a/util/RTCContext.cpp
+++ b/util/RTCContext.cpp
@@ -69,13 +69,15 @@ void RTCContext::onAudioProcess(const char* roomId, const char* peerId,
     try {
         std::cout << "-----------------------------------" << std::endl;
         std::cout << "dataCount:" << audioFrame.dataCount << std::endl;
+        std::cout << "dataCount value: " << audioFrame.dataCount
+                  << " (max: " << std::numeric_limits<npy_intp>::max() << ")" << std::endl;
         if (!audioFrame.data || audioFrame.dataCount <= 0) {
             std::cerr << "Invalid audio frame data" << std::endl;
             PyGILState_Release(gstate);
             return;
         }
         std::cout << "step1" << std::endl;
-        npy_intp dims[1] = {audioFrame.dataCount};
+        npy_intp dims[1] = {static_cast<npy_intp>(audioFrame.dataCount)};
 
         std::cout << "step2" << std::endl;
         PyObject* pyArray = PyArray_SimpleNew(1, dims, NPY_INT16);