diff --git a/SelectionBasePlugin.cc b/SelectionBasePlugin.cc
index 12d01b07efbf4a5a7f4b30c1164259f2540ae522..2f21ee4fbf8898f85e5d08443ce8fb495f528b1f 100644
--- a/SelectionBasePlugin.cc
+++ b/SelectionBasePlugin.cc
@@ -820,7 +820,7 @@ void SelectionBasePlugin::slotAddSelectionOperations(QString _handleName, QStrin
         QPushButton* button = new QPushButton(_operationsList[i]);
         button->setDisabled(true);
         button->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Fixed);
-        int width = button->fontMetrics().width(_operationsList[i]);
+        int width = button->fontMetrics().horizontalAdvance(_operationsList[i]);
         button->setMinimumWidth(width);
         button->setFixedHeight(26);