diff --git a/msg/ulog_stream.msg b/msg/ulog_stream.msg
index 7eaa32778d..9bee7e7dcb 100644
--- a/msg/ulog_stream.msg
+++ b/msg/ulog_stream.msg
@@ -12,7 +12,7 @@ uint8 FLAGS_NEED_ACK = 1	# if set, this message requires to be acked.
 uint8 length			# length of data
 uint8 first_message_offset	# offset into data where first message starts. This
 				# can be used for recovery, when a previous message got lost
-uint16 sequence		# allows determine drops
+uint16 msg_sequence		# allows determine drops
 uint8 flags			# see FLAGS_*
 uint8[249] data		# ulog data
 
diff --git a/msg/ulog_stream_ack.msg b/msg/ulog_stream_ack.msg
index 363d0804de..e3747fff6e 100644
--- a/msg/ulog_stream_ack.msg
+++ b/msg/ulog_stream_ack.msg
@@ -5,4 +5,4 @@ uint64 timestamp		# time since system start (microseconds)
 int32 ACK_TIMEOUT = 50		# timeout waiting for an ack until we retry to send the message [ms]
 int32 ACK_MAX_TRIES = 50	# maximum amount of tries to (re-)send a message, each time waiting ACK_TIMEOUT ms
 
-uint16 sequence
+uint16 msg_sequence
diff --git a/src/modules/logger/log_writer_mavlink.cpp b/src/modules/logger/log_writer_mavlink.cpp
index d0b0c2bc33..51b1f1c30f 100644
--- a/src/modules/logger/log_writer_mavlink.cpp
+++ b/src/modules/logger/log_writer_mavlink.cpp
@@ -72,7 +72,7 @@ void LogWriterMavlink::start_log()
 	ulog_stream_ack_s ack;
 	orb_copy(ORB_ID(ulog_stream_ack), _ulog_stream_ack_sub, &ack);
 
-	_ulog_stream_data.sequence = 0;
+	_ulog_stream_data.msg_sequence = 0;
 	_ulog_stream_data.length = 0;
 	_ulog_stream_data.first_message_offset = 0;
 
@@ -160,7 +160,7 @@ int LogWriterMavlink::publish_message()
 				ulog_stream_ack_s ack;
 				orb_copy(ORB_ID(ulog_stream_ack), _ulog_stream_ack_sub, &ack);
 
-				if (ack.sequence == _ulog_stream_data.sequence) {
+				if (ack.msg_sequence == _ulog_stream_data.msg_sequence) {
 					got_ack = true;
 				}
 
@@ -178,7 +178,7 @@ int LogWriterMavlink::publish_message()
 		PX4_DEBUG("got ack in %i ms", (int)(hrt_elapsed_time(&started) / 1000));
 	}
 
-	_ulog_stream_data.sequence++;
+	_ulog_stream_data.msg_sequence++;
 	_ulog_stream_data.length = 0;
 	_ulog_stream_data.first_message_offset = 255;
 	return 0;
diff --git a/src/modules/mavlink/mavlink_ulog.cpp b/src/modules/mavlink/mavlink_ulog.cpp
index cf251ed20a..7366e7c081 100644
--- a/src/modules/mavlink/mavlink_ulog.cpp
+++ b/src/modules/mavlink/mavlink_ulog.cpp
@@ -116,7 +116,7 @@ int MavlinkULog::handle_update(mavlink_channel_t channel)
 					const ulog_stream_s &ulog_data = _ulog_stream_sub.get();
 
 					mavlink_logging_data_acked_t msg;
-					msg.sequence = ulog_data.sequence;
+					msg.sequence = ulog_data.msg_sequence;
 					msg.length = ulog_data.length;
 					msg.first_message_offset = ulog_data.first_message_offset;
 					msg.target_system = _target_system;
@@ -140,12 +140,12 @@ int MavlinkULog::handle_update(mavlink_channel_t channel)
 				_sent_tries = 1;
 				_last_sent_time = hrt_absolute_time();
 				lock();
-				_wait_for_ack_sequence = ulog_data.sequence;
+				_wait_for_ack_sequence = ulog_data.msg_sequence;
 				_ack_received = false;
 				unlock();
 
 				mavlink_logging_data_acked_t msg;
-				msg.sequence = ulog_data.sequence;
+				msg.sequence = ulog_data.msg_sequence;
 				msg.length = ulog_data.length;
 				msg.first_message_offset = ulog_data.first_message_offset;
 				msg.target_system = _target_system;
@@ -155,7 +155,7 @@ int MavlinkULog::handle_update(mavlink_channel_t channel)
 
 			} else {
 				mavlink_logging_data_t msg;
-				msg.sequence = ulog_data.sequence;
+				msg.sequence = ulog_data.msg_sequence;
 				msg.length = ulog_data.length;
 				msg.first_message_offset = ulog_data.first_message_offset;
 				msg.target_system = _target_system;
@@ -252,7 +252,7 @@ void MavlinkULog::publish_ack(uint16_t sequence)
 {
 	ulog_stream_ack_s ack;
 	ack.timestamp = hrt_absolute_time();
-	ack.sequence = sequence;
+	ack.msg_sequence = sequence;
 
 	_ulog_stream_ack_pub.publish(ack);
 }