diff --git a/src/modules/simulator/simulator.h b/src/modules/simulator/simulator.h
index 9c95f5f9e2..aeaa080b74 100644
--- a/src/modules/simulator/simulator.h
+++ b/src/modules/simulator/simulator.h
@@ -198,7 +198,7 @@ private:
 	uORB::Publication<vehicle_command_ack_s>	_command_ack_pub{ORB_ID(vehicle_command_ack)};
 
 	uORB::PublicationMulti<distance_sensor_s>	*_dist_pubs[ORB_MULTI_MAX_INSTANCES] {};
-	uint8_t _dist_sensor_ids[ORB_MULTI_MAX_INSTANCES] {};
+	uint32_t _dist_sensor_ids[ORB_MULTI_MAX_INSTANCES] {};
 
 	uORB::SubscriptionInterval _parameter_update_sub{ORB_ID(parameter_update), 1_s};