diff --git a/libs/pyTermTk/TermTk/TTkWidgets/tabwidget.py b/libs/pyTermTk/TermTk/TTkWidgets/tabwidget.py
index 8b08e8ea..08cc1acb 100644
--- a/libs/pyTermTk/TermTk/TTkWidgets/tabwidget.py
+++ b/libs/pyTermTk/TermTk/TTkWidgets/tabwidget.py
@@ -121,7 +121,7 @@ class _TTkTabStatus():
     #     self._setCurrentIndex(index)
 
     def _selectHighlighted(self) -> None:
-        if self.highlighted:
+        if self.highlighted is not None:
             self._setCurrentIndex(self.highlighted)
 
     @pyTTkSlot(int)