diff --git a/hoot-core/src/main/cpp/hoot/core/visitors/AddMeasurementTagsVisitor.h b/hoot-core/src/main/cpp/hoot/core/visitors/AddMeasurementTagsVisitor.h
index 8c43ff6..07aea80 100644
--- a/hoot-core/src/main/cpp/hoot/core/visitors/AddMeasurementTagsVisitor.h
+++ b/hoot-core/src/main/cpp/hoot/core/visitors/AddMeasurementTagsVisitor.h
@@ -55,6 +55,7 @@ namespace hoot
class AddMeasurementTagsVisitor : public ElementOsmMapVisitor, public OperationStatusInfo
{
public:
+
AddMeasurementTagsVisitor() {}
AddMeasurementTagsVisitor(bool area, bool length, bool width) :
_addArea(area), _addLength(length), _addWidth(width) {}
@@ -70,6 +71,7 @@ public:
virtual QString getCompletedStatusMessage() const { return "Added tags to " + QString::number(_numAffected) + " elements"; }
private:
+
bool _addArea = true;
bool _addLength = true;
bool _addWidth = true;