diff --git a/src/audio_core/voice_context.cpp b/src/audio_core/voice_context.cpp
index 1d8f69844f..16ae1afe84 100644
--- a/src/audio_core/voice_context.cpp
+++ b/src/audio_core/voice_context.cpp
@@ -520,7 +520,8 @@ void VoiceContext::SortInfo() {
 }
 
 void VoiceContext::UpdateStateByDspShared() {
-    voice_states = dsp_voice_states;
+    std::memcpy(voice_states.data(), dsp_voice_states.data(),
+                sizeof(VoiceState) * dsp_voice_states.size());
 }
 
 } // namespace AudioCore