diff --git a/mainwindow.ui b/mainwindow.ui
--- a/mainwindow.ui
+++ b/mainwindow.ui
@@ -246,7 +246,7 @@
           </property>
           <property name="sizeHint" stdset="0">
            <size>
-            <width>20</width>
+            <width>1</width>
             <height>20</height>
            </size>
           </property>