diff --git a/src/uas/UAS.h b/src/uas/UAS.h
index ba8e9b7617df7f37568d9256c7a286e604e9984d..caf630412539a5d299f6c50156df1fb3e9d0affa 100644
--- a/src/uas/UAS.h
+++ b/src/uas/UAS.h
@@ -612,9 +612,6 @@ public:
         case MAV_AUTOPILOT_GENERIC:
             return "GENERIC";
             break;
-        case MAV_AUTOPILOT_PIXHAWK:
-            return "PIXHAWK";
-            break;
         case MAV_AUTOPILOT_SLUGS:
             return "SLUGS";
             break;
@@ -649,7 +646,7 @@ public:
             return "PX4";
             break;
         default:
-            return "";
+            return "UNKNOWN";
             break;
         }
     }