diff --git a/src/StdMeshersGUI/StdMeshersGUI_StdHypothesisCreator.cxx b/src/StdMeshersGUI/StdMeshersGUI_StdHypothesisCreator.cxx
index 33abb0698..bd505bee8 100644
--- a/src/StdMeshersGUI/StdMeshersGUI_StdHypothesisCreator.cxx
+++ b/src/StdMeshersGUI/StdMeshersGUI_StdHypothesisCreator.cxx
@@ -261,6 +261,10 @@ void StdMeshersGUI_StdHypothesisCreator::attuneStdWidget( QWidget* w, const int
   {
     sb->RangeStepAndValidator( VALUE_SMALL, VALUE_MAX, 1.0, 6 );
   }
+  else // default validator for possible ancestors
+  {
+    sb->RangeStepAndValidator( VALUE_SMALL, VALUE_MAX, 1.0, 6 );
+  }
 }
 
 QString StdMeshersGUI_StdHypothesisCreator::caption() const
diff --git a/src/StdMeshersGUI/StdMeshersGUI_StdHypothesisCreator.h b/src/StdMeshersGUI/StdMeshersGUI_StdHypothesisCreator.h
index 216324cab..bc87917b4 100644
--- a/src/StdMeshersGUI/StdMeshersGUI_StdHypothesisCreator.h
+++ b/src/StdMeshersGUI/StdMeshersGUI_StdHypothesisCreator.h
@@ -55,8 +55,7 @@ protected:
   virtual QWidget* getCustomWidget( const StdParam&, QWidget* ) const;
   virtual bool     getParamFromCustomWidget( StdParam& , QWidget* ) const;
 
-private:
-          QString hypTypeName( const QString& ) const;
+  virtual QString hypTypeName( const QString& ) const;
 };
 
 #endif