diff --git a/libraries/AP_NavEKF3/AP_NavEKF3_Measurements.cpp b/libraries/AP_NavEKF3/AP_NavEKF3_Measurements.cpp
index e98583efdb..75ec47a2f8 100644
--- a/libraries/AP_NavEKF3/AP_NavEKF3_Measurements.cpp
+++ b/libraries/AP_NavEKF3/AP_NavEKF3_Measurements.cpp
@@ -292,6 +292,7 @@ void NavEKF3_core::readMagData()
                     magStateResetRequest = true;
                     // declare the field unlearned so that the reset request will be obeyed
                     magFieldLearned = false;
+                    break;
                 }
             }
         }