Index: sources/gui/qml/pages/pretreatment/create/PreTreatmentCreate.qml
===================================================================
diff -u -r4b7b6f9506d7c7ad4f611b8c417ed37d5f9a48ac -r656c8ece0af7d784f545535ee1ccf9bb0e43cd63
--- sources/gui/qml/pages/pretreatment/create/PreTreatmentCreate.qml	(.../PreTreatmentCreate.qml)	(revision 4b7b6f9506d7c7ad4f611b8c417ed37d5f9a48ac)
+++ sources/gui/qml/pages/pretreatment/create/PreTreatmentCreate.qml	(.../PreTreatmentCreate.qml)	(revision 656c8ece0af7d784f545535ee1ccf9bb0e43cd63)
@@ -406,10 +406,9 @@
                 onClicked       :{vTreatmentCreate.heparinType = curIndex               ; vTreatmentCreate.heparinTypeSet               = true; }
                 enabled         : _heparinDispensingRateSwitch.checked || _heparinBolusVolumeSwitch.checked
                 onEnabledChanged: {
-                    if (!enabled) {
-                        // set disabled value
-                        vTreatmentCreate.heparinType    = -1
+                    if ( ! enabled ) {
                         vTreatmentCreate.heparinTypeSet = false
+                        reset()
                     }
                 }