Index: sources/gui/qml/pages/postTreatment/rinseback/PostTreatmentRinsebackInit.qml
===================================================================
diff -u -rf4bdf1e57221c8395580fc169d239d49d670ce1b -rc5a6eee8a7619f2a2f425008b97ce5963cf8b2fa
--- sources/gui/qml/pages/postTreatment/rinseback/PostTreatmentRinsebackInit.qml	(.../PostTreatmentRinsebackInit.qml)	(revision f4bdf1e57221c8395580fc169d239d49d670ce1b)
+++ sources/gui/qml/pages/postTreatment/rinseback/PostTreatmentRinsebackInit.qml	(.../PostTreatmentRinsebackInit.qml)	(revision c5a6eee8a7619f2a2f425008b97ce5963cf8b2fa)
@@ -130,7 +130,7 @@
         }
 
         TouchRect { id : _backTreatmentTouchRect
-            visible         : true // true if only treatment is not already complete
+            visible         : vTreatmentTime.time_Total > 0
             text.text       : qsTr("BACK TO TREATMENT")
             width           : _buttonGroup.buttonsWidth
             onClicked       : treatmentBackClicked()