Index: sources/gui/qml/dialogs/headerbar/HeaderbarSettings.qml
===================================================================
diff -u -r7c78fc682c3b1dbfe2e416e3812f98e15875b751 -r8f6ecb60abf6d47d4554cfd3019ca496d79b6f69
--- sources/gui/qml/dialogs/headerbar/HeaderbarSettings.qml	(.../HeaderbarSettings.qml)	(revision 7c78fc682c3b1dbfe2e416e3812f98e15875b751)
+++ sources/gui/qml/dialogs/headerbar/HeaderbarSettings.qml	(.../HeaderbarSettings.qml)	(revision 8f6ecb60abf6d47d4554cfd3019ca496d79b6f69)
@@ -37,15 +37,15 @@
         }
 
         BaseSwitch  { id: _darkMode
-            source          : Colors.darkMode ? "qrc:/images/iMoon" : "qrc:/images/iSun"
-            checked         : Colors.darkMode
+            source          : vSettings.darkMode ? "qrc:/images/iMoon" : "qrc:/images/iSun"
+            checked         : vSettings.darkMode
             activeColor     : Colors.switchActiveColor
             inactiveColor   : Colors.switchInactiveColor
-            knobColor       : Colors.darkMode ? Colors.switchKnobActiveColor :
-                                                Colors.switchKnobInactiveColor
+            knobColor       : vSettings.darkMode ?  Colors.switchKnobActiveColor :
+                                                    Colors.switchKnobInactiveColor
 
             onClicked: {
-                Colors.darkMode =  ! Colors.darkMode
+                vSettings.darkMode = ! vSettings.darkMode
             }
         }
     }