diff --git a/hdf_service/distributed_audio/hdi_service/audio/v1_0/src/audio_adapter_interface_impl.cpp b/hdf_service/distributed_audio/hdi_service/audio/v1_0/src/audio_adapter_interface_impl.cpp
index bdd6cc0e2b5c628c6f2ff2f264a289ba8d2f2821..48f8e17b335dd687491e8798febf485e5452e001 100644
--- a/hdf_service/distributed_audio/hdi_service/audio/v1_0/src/audio_adapter_interface_impl.cpp
+++ b/hdf_service/distributed_audio/hdi_service/audio/v1_0/src/audio_adapter_interface_impl.cpp
@@ -565,7 +565,7 @@ int32_t AudioAdapterInterfaceImpl::OpenRenderDevice(const AudioDeviceDescriptor
         return DH_SUCCESS;
     }
     std::lock_guard<std::mutex> devLck(renderOptMtx_);
-    spkPinInUse_ = dhId;
+    spkPinInUse_ = static_cast<uint32_t>(dhId);
     renderParam_.format = attrs.format;
     renderParam_.channelCount = attrs.channelCount;
     renderParam_.sampleRate = attrs.sampleRate;