diff --git a/src/core/hle/DSOUND/DirectSound/DirectSoundInline.hpp b/src/core/hle/DSOUND/DirectSound/DirectSoundInline.hpp
index 00428662a..fd5f27b20 100644
--- a/src/core/hle/DSOUND/DirectSound/DirectSoundInline.hpp
+++ b/src/core/hle/DSOUND/DirectSound/DirectSoundInline.hpp
@@ -1319,7 +1319,7 @@ static inline HRESULT HybridDirectSoundBuffer_SetMixBinVolumes_8(
             }
             if (counter > 0) {
                 Xb_volumeMixBin = volume / (LONG)counter;
-                int32_t Xb_volume = Xb_Voice->GetVolume();
+                int32_t Xb_volume = Xb_Voice->GetVolume() + Xb_Voice->GetHeadroom();
                 hRet = HybridDirectSoundBuffer_SetVolume(pDSBuffer, Xb_volume, EmuFlags,
                                                          Xb_volumeMixBin, Xb_Voice);
             } else {
diff --git a/src/core/hle/DSOUND/common/XbInternalDSVoice.cpp b/src/core/hle/DSOUND/common/XbInternalDSVoice.cpp
index 7acccc814..0515f3aa0 100644
--- a/src/core/hle/DSOUND/common/XbInternalDSVoice.cpp
+++ b/src/core/hle/DSOUND/common/XbInternalDSVoice.cpp
@@ -117,7 +117,7 @@ uint32_t GetVolume(T& settings)
 
 // Interface for set volume
 template<class T>
-void SetVolume(T& settings, uint32_t volume)
+void SetVolume(T& settings, int32_t volume)
 {
     settings.volume = volume - settings.headroom;
 }
@@ -133,7 +133,7 @@ uint32_t GetHeadroom(T& settings)
 template<class T>
 void SetHeadroom(T& settings, uint32_t set_headroom)
 {
-    settings.volume = settings.volume - set_headroom - settings.headroom;
+    settings.volume = settings.volume + settings.headroom - set_headroom;
     settings.headroom = set_headroom;
 }