diff --git a/include/TopRoomBar.h b/include/TopRoomBar.h
index 994486e0..1c42e25f 100644
--- a/include/TopRoomBar.h
+++ b/include/TopRoomBar.h
@@ -79,7 +79,8 @@ protected:
                 style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
 
                 p.setPen(QPen(borderColor()));
-                p.drawLine(QPointF(0, height()), QPointF(width(), height()));
+                p.drawLine(QPointF(0, height() - p.pen().widthF()),
+                           QPointF(width(), height() - p.pen().widthF()));
         }
 
 private: