diff --git a/src/addresses.h b/src/addresses.h
index 8418f05662..194e111b50 100644
--- a/src/addresses.h
+++ b/src/addresses.h
@@ -70,6 +70,10 @@
 #define RCT2_ADDRESS_CONFIG_MUSIC					0x009AAC72
 
 #define RCT2_ADDRESS_CONFIG_FLAGS					0x009AAC74
+
+// MAX vehicle sounds not used anymore
+#define RCT2_ADDRESS_CONFIG_MAX_VEHICLE_SOUNDS		0x009AAC75
+
 #define RCT2_ADDRESS_CONFIG_MAX_NO_SOUNDS			0x009AAC76
 #define RCT2_ADDRESS_CONFIG_SOUND_QUALITY			0x009AAC77
 #define RCT2_ADDRESS_CONFIG_METRIC					0x009AAC78
diff --git a/src/config.c b/src/config.c
index 6287d08f2c..5dd2b18a75 100644
--- a/src/config.c
+++ b/src/config.c
@@ -870,7 +870,7 @@ void config_dat_load()
 	*/
 
 
-	RCT2_GLOBAL(0x009AAC75, sint8) = RCT2_ADDRESS(0x009AF601, sint8)[RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_SOUND_QUALITY, sint8)];
+	RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_MAX_VEHICLE_SOUNDS, sint8) = RCT2_ADDRESS(0x009AF601, sint8)[RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_SOUND_QUALITY, sint8)];
 	RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_MAX_NO_SOUNDS, sint8) = RCT2_ADDRESS(0x009AF604, sint8)[RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_SOUND_QUALITY, sint8)];
 	RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_HEIGHT_MARKERS, sint16) = 0;
 	if (!(RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_FLAGS, uint8) & CONFIG_FLAG_SHOW_HEIGHT_AS_UNITS))
diff --git a/src/ride/vehicle.c b/src/ride/vehicle.c
index 19b32d97e5..41741979d1 100644
--- a/src/ride/vehicle.c
+++ b/src/ride/vehicle.c
@@ -305,7 +305,7 @@ void vehicle_sounds_update()
 						while (vehicle_sound->id != (uint16)-1) {
 							vehicle_sound++;
 							i++;
-							if (i >= countof(gVehicleSoundList)/*i >= RCT2_GLOBAL(0x009AAC75, uint8)*/) {
+							if (i >= countof(gVehicleSoundList)/*i >= RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_MAX_VEHICLE_SOUNDS, uint8)*/) {
 								vehicle_sound_params = (rct_vehicle_sound_params*)((int)vehicle_sound_params + 10);
 								goto label28;
 							}
diff --git a/src/windows/options.c b/src/windows/options.c
index a2c58afb79..33a926693c 100644
--- a/src/windows/options.c
+++ b/src/windows/options.c
@@ -510,8 +510,7 @@ static void window_options_dropdown()
 		window_invalidate(w);
 		break;
 	case WIDX_SOUND_QUALITY_DROPDOWN:
-		// TODO: no clue what this does (and if it's correct)
-		RCT2_GLOBAL(0x009AAC75, uint8) = RCT2_GLOBAL(0x009AF601 + dropdownIndex, uint8);
+		RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_MAX_VEHICLE_SOUNDS, uint8) = RCT2_GLOBAL(0x009AF601 + dropdownIndex, uint8);
 		RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_MAX_NO_SOUNDS, uint8) = RCT2_GLOBAL(0x009AF604 + dropdownIndex, uint8);
 		gSound_config.sound_quality = (sint8)dropdownIndex;
 		config_save();