diff --git a/src/openrct2/ride/vehicle.c b/src/openrct2/ride/vehicle.c
index e7a04b7263..653b18c496 100644
--- a/src/openrct2/ride/vehicle.c
+++ b/src/openrct2/ride/vehicle.c
@@ -7515,7 +7515,13 @@ loc_6DAEB9:
 		}
 	}
 	else if (trackType == TRACK_ELEM_BOOSTER && ride->type != RIDE_TYPE_WILD_MOUSE) {
-		regs.eax = (vehicle->brake_speed << 16);
+		if (ride->type == RIDE_TYPE_GIGA_COASTER) {
+			regs.eax = (vehicle->brake_speed << 17);
+		}
+		else {
+			regs.eax = (vehicle->brake_speed << 16);
+		}
+
 		if (regs.eax > _vehicleVelocityF64E08) {
 			vehicle->acceleration = RideProperties[ride->type].booster_acceleration << 16; //_vehicleVelocityF64E08 * 1.2;
 		}
@@ -7867,7 +7873,13 @@ loc_6DBA33:;
 
 	// Boosters share their ID with the Spinning Control track.
 	if (trackType == TRACK_ELEM_BOOSTER && ride->type != RIDE_TYPE_WILD_MOUSE) {
-		regs.eax = (vehicle->brake_speed << 16);
+		if (ride->type == RIDE_TYPE_GIGA_COASTER) {
+			regs.eax = (vehicle->brake_speed << 17);
+		}
+		else {
+			regs.eax = (vehicle->brake_speed << 16);
+		}
+
 		if (regs.eax < _vehicleVelocityF64E08) {
 			regs.eax = RideProperties[ride->type].booster_acceleration << 16;
 			vehicle->acceleration = regs.eax;