diff --git a/rtc_plugins.cpp b/rtc_plugins.cpp
index a891209..1469588 100644
--- a/rtc_plugins.cpp
+++ b/rtc_plugins.cpp
@@ -35,7 +35,7 @@ int sendCustomAudioData(const int16_t destChannelIndex, py::object pyData, int32
                         uint64_t dataLen) {
     PyObject* pyObj = pyData.ptr();
     void* dataPtr = PyArray_DATA((PyArrayObject*)pyObj);
-    return RTCContext::instance().sendCustomAudioData(destChannelIndex, customData, sampleRate, channelNum, dataLen);
+    return RTCContext::instance().sendCustomAudioData(destChannelIndex, dataPtr, sampleRate, channelNum, dataLen);
 }
 
 BOOST_PYTHON_MODULE(rtc_plugins) {