diff --git a/src/calibre/gui2/font_family_chooser.py b/src/calibre/gui2/font_family_chooser.py
index 512b187985..9900578fd9 100644
--- a/src/calibre/gui2/font_family_chooser.py
+++ b/src/calibre/gui2/font_family_chooser.py
@@ -333,6 +333,7 @@ class FontFamilyChooser(QWidget):
         self.setToolTip = self.button.setToolTip
         self.toolTip = self.button.toolTip
         self.clear_button.setToolTip(_('Clear the font family'))
+        l.addStretch(1)
 
     def clear_family(self):
         self.font_family = None