diff --git a/src/modules/mavlink/mavlink_receiver.cpp b/src/modules/mavlink/mavlink_receiver.cpp
index 42257a2ffa..8ba06814a6 100644
--- a/src/modules/mavlink/mavlink_receiver.cpp
+++ b/src/modules/mavlink/mavlink_receiver.cpp
@@ -2742,6 +2742,7 @@ MavlinkReceiver::handle_message_gps_rtcm_data(mavlink_message_t *msg)
 	memcpy(gps_inject_data_topic.data, gps_rtcm_data_msg.data,
 	       math::min((int)sizeof(gps_inject_data_topic.data), (int)sizeof(uint8_t) * gps_inject_data_topic.len));
 
+	gps_inject_data_topic.timestamp = hrt_absolute_time();
 	_gps_inject_data_pub.publish(gps_inject_data_topic);
 }