--- ui/AboutDialog.ui	2018-07-02 09:54:33.493876967 +0300

+++ ui/new_AboutDialog.ui	2018-07-02 09:54:26.496877614 +0300

@@ -6,6 +6,7 @@

     <property name="can_focus">False</property>

     <property name="border_width">5</property>

     <property name="type_hint">normal</property>

+    <property name="logo_icon_name">printer</property>

     <property name="copyright" translatable="yes">Copyright © 2006-2012 Red Hat, Inc.</property>

     <property name="comments" translatable="yes">A CUPS configuration tool.</property>

     <property name="website">https://github.com/zdohnal/system-config-printer/</property>