diff --git a/src/main/fc/fc_mavlink.c b/src/main/fc/fc_mavlink.c
index 02bdfb84fc4..5ef8b690304 100644
--- a/src/main/fc/fc_mavlink.c
+++ b/src/main/fc/fc_mavlink.c
@@ -236,9 +236,9 @@ static void mavlinkParseRxStats(const mavlink_radio_status_t *msg) {
             break;
         case MAVLINK_RADIO_GENERIC:
         default:
-            rxLinkStatistics.uplinkRSSI = msg->rssi;
+            rxLinkStatistics.uplinkRSSI = msg->rssi != UINT8_MAX ? -msg->rssi : 0;
             rxLinkStatistics.uplinkSNR = msg->noise;
-            rxLinkStatistics.uplinkLQ = msg->rssi != 255 ? scaleRange(msg->rssi, 0, 254, 0, 100) : 0;
+            rxLinkStatistics.uplinkLQ = msg->rssi != UINT8_MAX ? scaleRange(msg->rssi, 0, 254, 0, 100) : 0;
             break;
     }
 }