Index: sources/gui/qml/components/RangeBar.qml
===================================================================
diff -u -r9a0581274e4dc51af6d6f3e4dd932581e8dce445 -r99e12314855a6b8dd46989b9c0e5263b74af5dc4
--- sources/gui/qml/components/RangeBar.qml	(.../RangeBar.qml)	(revision 9a0581274e4dc51af6d6f3e4dd932581e8dce445)
+++ sources/gui/qml/components/RangeBar.qml	(.../RangeBar.qml)	(revision 99e12314855a6b8dd46989b9c0e5263b74af5dc4)
@@ -33,7 +33,7 @@
     property alias  rangebar    : _rangeRect
 
     property int    markerHeight: Variables.rangeMarkerHeightMidle
-    property color  markerColor : markerOutRangeNotify ? (value > lowerBound && value < upperBound ? Colors.rangeMarker : Colors.red) : Colors.rangeMarker
+    property color  markerColor : markerOutRangeNotify ? (value >= lowerBound && value <= upperBound ? Colors.rangeMarker : Colors.red) : Colors.rangeMarker
     property bool   markerOutRangeNotify: false
 
     property bool   markerVisible       : true