Index: sources/gui/qml/pages/treatment/adjustments/TreatmentAdjustmentDuration.qml
===================================================================
diff -u -r95c671ab7037af055db551456a719ff67bf10262 -r9ec7a27375189ad75f0bef142cd6beb386db0955
--- sources/gui/qml/pages/treatment/adjustments/TreatmentAdjustmentDuration.qml	(.../TreatmentAdjustmentDuration.qml)	(revision 95c671ab7037af055db551456a719ff67bf10262)
+++ sources/gui/qml/pages/treatment/adjustments/TreatmentAdjustmentDuration.qml	(.../TreatmentAdjustmentDuration.qml)	(revision 9ec7a27375189ad75f0bef142cd6beb386db0955)
@@ -65,8 +65,10 @@
             minimum : vTreatmentRanges.treatmentRanges_Duration_Min //  in Minutes
             maximum : vTreatmentRanges.treatmentRanges_Duration_Max //  in Minutes
             step    : Variables.durationResolution
+            stepSnap: true
             minText.visible: false
             maxText.visible: false
+            ticks: true
             TimeText { id: _durationText
                 seconds: 60 * _durationSlider.value // in Minutes => to Seconds
                 secondsVisible: false