diff --git a/src/modules/mavlink/mavlink_receiver.cpp b/src/modules/mavlink/mavlink_receiver.cpp
index 4dc67274f8..8d541408e3 100644
--- a/src/modules/mavlink/mavlink_receiver.cpp
+++ b/src/modules/mavlink/mavlink_receiver.cpp
@@ -1509,6 +1509,11 @@ MavlinkReceiver::handle_message_ping(mavlink_message_t *msg)
 void
 MavlinkReceiver::handle_message_battery_status(mavlink_message_t *msg)
 {
+	if (msg->sysid != mavlink_system.sysid) {
+		// ignore battery status of other system
+		return;
+	}
+
 	// external battery measurements
 	mavlink_battery_status_t battery_mavlink;
 	mavlink_msg_battery_status_decode(msg, &battery_mavlink);