diff -r dc1b8094c210 -r 17b3212d3045 src/mainwindow.ui
--- a/src/mainwindow.ui	Mon Jun 27 21:25:22 2022 +0300
+++ b/src/mainwindow.ui	Mon Jun 27 21:25:31 2022 +0300
@@ -10,6 +10,10 @@
     <height>600</height>
    </rect>
   </property>
+  <property name="windowIcon">
+   <iconset resource="../resources.qrc">
+    <normaloff>:/icons/appicon.png</normaloff>:/icons/appicon.png</iconset>
+  </property>
   <property name="dockNestingEnabled">
    <bool>false</bool>
   </property>
@@ -476,6 +480,10 @@
    </property>
   </action>
   <action name="actionAbout">
+   <property name="icon">
+    <iconset resource="../resources.qrc">
+     <normaloff>:/icons/appicon.png</normaloff>:/icons/appicon.png</iconset>
+   </property>
    <property name="text">
     <string>About %1</string>
    </property>