diff --git a/Station.h b/Station.h
index aaaa3df98e0e4cc03f9649edfee515f3f0f75832..aee87e3cd77c33c3737cd5ce9b50ec2ef6450cf8 100644
--- a/Station.h
+++ b/Station.h
@@ -310,7 +310,7 @@ private:
     vector3r_t  itsPosition;
     vector3r_t  itsPhaseReference;
     FieldList   itsFields;
-    ElementResponseModel itsModel;
+    ElementResponseModel itsModel = ElementResponseModel::Unknown;
 };
 
 // @}