diff --git a/src/uas/UAS.cc b/src/uas/UAS.cc
index 8f148a5177aebb1a7ab1c3d16ab03742e5b88b7f..95622e68e6b5916f11e18c5a47f8eac8340c2b26 100644
--- a/src/uas/UAS.cc
+++ b/src/uas/UAS.cc
@@ -1472,6 +1472,9 @@ void UAS::startCalibration(UASInterface::StartCalibrationType calType)
         case StartCalibrationAccel:
             accelCal = 1;
             break;
+        case StartCalibrationLevel:
+            accelCal = 2;
+            break;
     }
     
     mavlink_message_t msg;
diff --git a/src/uas/UASInterface.h b/src/uas/UASInterface.h
index 4ad625df33bf25199561abbf27eb6e42bbc5408f..ecdf0683a73ca02db3f74ab3fefc8c70b7014fd7 100644
--- a/src/uas/UASInterface.h
+++ b/src/uas/UASInterface.h
@@ -243,7 +243,8 @@ public:
         StartCalibrationGyro,
         StartCalibrationMag,
         StartCalibrationAirspeed,
-        StartCalibrationAccel
+        StartCalibrationAccel,
+        StartCalibrationLevel
     };
     
     /// Starts the specified calibration