diff --git a/plugins/spu2-x/src/Mixer.cpp b/plugins/spu2-x/src/Mixer.cpp
index 9e78713178..400cd95710 100644
--- a/plugins/spu2-x/src/Mixer.cpp
+++ b/plugins/spu2-x/src/Mixer.cpp
@@ -596,8 +596,8 @@ static __forceinline StereoOut32 MixVoice( uint coreidx, uint voiceidx )
 		}
 
 		// Write-back of raw voice data (some zeros since the voice is "dead")
-		if (voiceidx==1)      spu2M_WriteFast( 0x400 + (coreidx<<12) + OutPos, 0 );
-		else if (voiceidx==3) spu2M_WriteFast( 0x600 + (coreidx<<12) + OutPos, 0 );
+		if (voiceidx==1)      spu2M_WriteFast( ( (0==coreidx) ? 0x400 : 0xc00 ) + OutPos, 0 );
+		else if (voiceidx==3) spu2M_WriteFast( ( (0==coreidx) ? 0x600 : 0xe00 ) + OutPos, 0 );
 
 		return StereoOut32( 0, 0 );
 	}
@@ -630,10 +630,10 @@ StereoOut32 V_Core::Mix( const VoiceMixSet& inVoices, const StereoOut32& Input,
 	const VoiceMixSet Voices( clamp_mix( inVoices.Dry ), clamp_mix( inVoices.Wet ) );
 
 	// Write Mixed results To Output Area
-	spu2M_WriteFast( 0x1000 + (Index<<12) + OutPos, Voices.Dry.Left );
-	spu2M_WriteFast( 0x1200 + (Index<<12) + OutPos, Voices.Dry.Right );
-	spu2M_WriteFast( 0x1400 + (Index<<12) + OutPos, Voices.Wet.Left );
-	spu2M_WriteFast( 0x1600 + (Index<<12) + OutPos, Voices.Wet.Right );
+	spu2M_WriteFast( ( (0==Index) ? 0x1000 : 0x1800 ) + OutPos, Voices.Dry.Left );
+	spu2M_WriteFast( ( (0==Index) ? 0x1200 : 0x1A00 ) + OutPos, Voices.Dry.Right );
+	spu2M_WriteFast( ( (0==Index) ? 0x1400 : 0x1C00 ) + OutPos, Voices.Wet.Left );
+	spu2M_WriteFast( ( (0==Index) ? 0x1600 : 0x1E00 ) + OutPos, Voices.Wet.Right );
 
 	// Write mixed results to logfile (if enabled)