Index: sources/gui/qml/components/RangeSlider.qml
===================================================================
diff -u -r987056a5fb6a7c2193398ab127030923d23fd7a9 -r0954c208c72d1568e7609d55f05f5f5b93cf72ee
--- sources/gui/qml/components/RangeSlider.qml	(.../RangeSlider.qml)	(revision 987056a5fb6a7c2193398ab127030923d23fd7a9)
+++ sources/gui/qml/components/RangeSlider.qml	(.../RangeSlider.qml)	(revision 0954c208c72d1568e7609d55f05f5f5b93cf72ee)
@@ -82,6 +82,7 @@
 
     height          : Variables.progressbarHeight
     touchMargin     : 25
+    leftRightTouchMargin: _root.diameter / 2
 
     minimum         : 0
     maximum         : 0
@@ -227,6 +228,7 @@
         property alias  lowerBound  : _rangeRect.minimum
         property alias  upperBound  : _rangeRect.maximum
         property real   minmaxDiff  : parent.maximum - parent.minimum
+        leftRightTouchMargin: _root.diameter / 2
 
         x       : minmaxDiff ? ((parent.width * (lowerBound - parent.minimum)) / minmaxDiff) : minmaxDiff
         width   : minmaxDiff ? ((parent.width * (upperBound - lowerBound    )) / minmaxDiff) : minmaxDiff