Index: sources/gui/qml/components/RangeSlider.qml
===================================================================
diff -u -r642f08650a7a88ad6a2305fdea6bd18365aab5c7 -r7ed22fc4ad6b61ea9a502f3e2eeca6d10fb0699d
--- sources/gui/qml/components/RangeSlider.qml	(.../RangeSlider.qml)	(revision 642f08650a7a88ad6a2305fdea6bd18365aab5c7)
+++ sources/gui/qml/components/RangeSlider.qml	(.../RangeSlider.qml)	(revision 7ed22fc4ad6b61ea9a502f3e2eeca6d10fb0699d)
@@ -74,8 +74,8 @@
 
     property bool   isRoundedEnds       : true
     property bool   hasBorder           : true
-    property color disabledBorderColor   : Colors.borderDisableButton
-    property color enabledBorderColor    : Colors.borderButton
+    property color disabledBorderColor  : Colors.borderDisableButton
+    property color enabledBorderColor   : Colors.borderButton
 
     onHasAdjustChanged  : {
         setAdjusted()
@@ -384,8 +384,8 @@
                     return _root.tickMarkYDisplacement
                 }
             }
-            showEndMarks    : true
-            color: _root.isActive ? Colors.borderButton : Colors.borderDisableButton
+            showEndMarks    : !_root.isTickMarksCentered
+            color: (_root.minAdjusted && _root.maxAdjusted) ? enabledBorderColor : disabledBorderColor
         }
     }