diff --git a/extern/Nuked-PSG/ympsg.c b/extern/Nuked-PSG/ympsg.c
index 4aaeac2df..3df4f8e39 100644
--- a/extern/Nuked-PSG/ympsg.c
+++ b/extern/Nuked-PSG/ympsg.c
@@ -266,7 +266,7 @@ void YMPSG_Init(ympsg_t *chip, uint8_t real_sn)
     chip->noise_size = real_sn ? 16383 : 32767;
     for (i = 0; i < 17; i++)
     {
-      chip->vol_table[i]=real_sn?tipsg_vol[i]:ympsg_vol[i];
+      chip->vol_table[i]=(real_sn?tipsg_vol[i]:ympsg_vol[i]) * 8192.0f;
     }
     for (i = 0; i < 16; i++)
     {
@@ -315,15 +315,15 @@ void YMPSG_Clock(ympsg_t *chip)
     }
 }
 
-float YMPSG_GetOutput(ympsg_t *chip)
+int YMPSG_GetOutput(ympsg_t *chip)
 {
-    float sample = 0.f;
+    int sample = 0;
     uint32_t i;
     YMPSG_UpdateSample(chip);
     if (chip->test & 1)
     {
         sample += chip->vol_table[chip->volume_out[chip->test >> 1]];
-        sample += chip->vol_table[16] * 3.f;
+        sample += chip->vol_table[16] * 3;
     }
     else if (!chip->mute)
     {
diff --git a/extern/Nuked-PSG/ympsg.h b/extern/Nuked-PSG/ympsg.h
index 2465f5c33..c00b3d720 100644
--- a/extern/Nuked-PSG/ympsg.h
+++ b/extern/Nuked-PSG/ympsg.h
@@ -59,7 +59,7 @@ typedef struct {
     ympsg_writebuf writebuf[YMPSG_WRITEBUF_SIZE];
 
     //
-    float vol_table[17];
+    short vol_table[17];
 
 
     uint8_t mute;
@@ -71,7 +71,7 @@ uint16_t YMPSG_Read(ympsg_t *chip);
 void YMPSG_Init(ympsg_t *chip, uint8_t real_sn);
 void YMPSG_SetIC(ympsg_t *chip, uint32_t ic);
 void YMPSG_Clock(ympsg_t *chip);
-float YMPSG_GetOutput(ympsg_t *chip);
+int YMPSG_GetOutput(ympsg_t *chip);
 void YMPSG_Test(ympsg_t *chip, uint16_t test);
 
 
diff --git a/src/engine/platform/sms.cpp b/src/engine/platform/sms.cpp
index 57e868bd4..7dd5c65d7 100644
--- a/src/engine/platform/sms.cpp
+++ b/src/engine/platform/sms.cpp
@@ -65,7 +65,7 @@ void DivPlatformSMS::acquire_nuked(short* bufL, short* bufR, size_t start, size_
     YMPSG_Clock(&sn_nuked);
     YMPSG_Clock(&sn_nuked);
     YMPSG_Clock(&sn_nuked);
-    o=YMPSG_GetOutput(&sn_nuked)*8192.0;
+    o=YMPSG_GetOutput(&sn_nuked);
     if (o<-32768) o=-32768;
     if (o>32767) o=32767;
     bufL[h]=o;