diff --git a/msg/IridiumsbdStatus.msg b/msg/IridiumsbdStatus.msg
index 14ea1d30a5..436654e4ff 100644
--- a/msg/IridiumsbdStatus.msg
+++ b/msg/IridiumsbdStatus.msg
@@ -1,5 +1,5 @@
 uint64 timestamp				# time since system start (microseconds)
-uint64 last_successful_at_cmd		# timestamp of the last successful AT command
+uint64 last_at_ok_timestamp			# timestamp of the last "OK" received after the "AT" command
 uint16 tx_buf_write_index			# current size of the tx buffer
 uint16 rx_buf_read_index			# the rx buffer is parsed up to that index
 uint16 rx_buf_end_index				# current size of the rx buffer
diff --git a/src/modules/commander/Commander.cpp b/src/modules/commander/Commander.cpp
index f7ac58e961..8efd9b1bba 100644
--- a/src/modules/commander/Commander.cpp
+++ b/src/modules/commander/Commander.cpp
@@ -2676,7 +2676,7 @@ void Commander::dataLinkCheck()
 	iridiumsbd_status_s iridium_status;
 
 	if (_iridiumsbd_status_sub.update(&iridium_status)) {
-		_high_latency_datalink_timestamp = iridium_status.last_successful_at_cmd;
+		_high_latency_datalink_timestamp = iridium_status.last_at_ok_timestamp;
 
 		if (_vehicle_status.high_latency_data_link_lost &&
 		    (_high_latency_datalink_timestamp > _high_latency_datalink_lost) &&