diff -r c6114b3af3a6 -r 272c84c7c87e src/settingseditor/settingseditor.ui
--- a/src/settingseditor/settingseditor.ui	Sun Feb 02 00:51:06 2020 +0200
+++ b/src/settingseditor/settingseditor.ui	Sun Feb 02 00:58:59 2020 +0200
@@ -117,6 +117,13 @@
             <item row="2" column="1">
              <widget class="QDoubleSpinBox" name="lineThickness"/>
             </item>
+            <item row="3" column="0">
+             <widget class="QCheckBox" name="lineAntiAliasing">
+              <property name="text">
+               <string>Line anti-aliasing</string>
+              </property>
+             </widget>
+            </item>
            </layout>
           </item>
           <item>