diff --git a/src/ds/io.c b/src/ds/io.c
index 07d580126..33a54ffcc 100644
--- a/src/ds/io.c
+++ b/src/ds/io.c
@@ -502,6 +502,38 @@ uint16_t DS7IORead(struct DS* ds, uint32_t address) {
 	case DS_REG_IF_LO:
 	case DS_REG_IF_HI:
 	case DS_REG_POSTFLG:
+	case DS7_REG_SOUND0CNT_LO:
+	case DS7_REG_SOUND1CNT_LO:
+	case DS7_REG_SOUND2CNT_LO:
+	case DS7_REG_SOUND3CNT_LO:
+	case DS7_REG_SOUND4CNT_LO:
+	case DS7_REG_SOUND5CNT_LO:
+	case DS7_REG_SOUND6CNT_LO:
+	case DS7_REG_SOUND7CNT_LO:
+	case DS7_REG_SOUND8CNT_LO:
+	case DS7_REG_SOUND9CNT_LO:
+	case DS7_REG_SOUNDACNT_LO:
+	case DS7_REG_SOUNDBCNT_LO:
+	case DS7_REG_SOUNDCCNT_LO:
+	case DS7_REG_SOUNDDCNT_LO:
+	case DS7_REG_SOUNDECNT_LO:
+	case DS7_REG_SOUNDFCNT_LO:
+	case DS7_REG_SOUND0CNT_HI:
+	case DS7_REG_SOUND1CNT_HI:
+	case DS7_REG_SOUND2CNT_HI:
+	case DS7_REG_SOUND3CNT_HI:
+	case DS7_REG_SOUND4CNT_HI:
+	case DS7_REG_SOUND5CNT_HI:
+	case DS7_REG_SOUND6CNT_HI:
+	case DS7_REG_SOUND7CNT_HI:
+	case DS7_REG_SOUND8CNT_HI:
+	case DS7_REG_SOUND9CNT_HI:
+	case DS7_REG_SOUNDACNT_HI:
+	case DS7_REG_SOUNDBCNT_HI:
+	case DS7_REG_SOUNDCCNT_HI:
+	case DS7_REG_SOUNDDCNT_HI:
+	case DS7_REG_SOUNDECNT_HI:
+	case DS7_REG_SOUNDFCNT_HI:
 		// Handled transparently by the registers
 		break;
 	case DS_REG_AUXSPICNT: