Index: sources/gui/qml/pages/pretreatment/create/PreTreatmentCreate.qml
===================================================================
diff -u -r78c6f3baf3fec4a3fac96707ef694a753e7f41e2 -rea9cd1a4f7b40b683b83fd6f7fde58c0e7edb7f8
--- sources/gui/qml/pages/pretreatment/create/PreTreatmentCreate.qml	(.../PreTreatmentCreate.qml)	(revision 78c6f3baf3fec4a3fac96707ef694a753e7f41e2)
+++ sources/gui/qml/pages/pretreatment/create/PreTreatmentCreate.qml	(.../PreTreatmentCreate.qml)	(revision ea9cd1a4f7b40b683b83fd6f7fde58c0e7edb7f8)
@@ -36,17 +36,8 @@
     header.confirmText.text : vTreatmentCreate.parametersValidated ? qsTr("CONFIRM") : qsTr("VALIDATE")
 
     onConfirmClicked        : vTreatmentCreate.parametersValidated ? _preTreatmentCreateContent.confirm() : _preTreatmentCreateContent.validate()
+    onBackClicked           :  vTreatmentCreate.parametersValidated ? vTreatmentCreate.doCancel() : vPreTreatmentAdjustmentInitTreatment.doCancel()
 
-    onBackClicked           : {
-        if ( vTreatmentCreate.parametersValidated ) {
-            vTreatmentCreate.doCancel()
-        }
-        else {
-            vPreTreatmentAdjustmentInitTreatment.doCancel()
-            _preTreatmentCreateContent.enableEditing()
-        }
-    }
-
     function clear( vValue ) {
          if ( ! vValue ) return
         _preTreatmentCreateContent.clear()
Index: sources/gui/qml/pages/pretreatment/create/PreTreatmentCreateContent.qml
===================================================================
diff -u -r10011ab15490b74e2c50d224b2fd1ceeeea75444 -rea9cd1a4f7b40b683b83fd6f7fde58c0e7edb7f8
--- sources/gui/qml/pages/pretreatment/create/PreTreatmentCreateContent.qml	(.../PreTreatmentCreateContent.qml)	(revision 10011ab15490b74e2c50d224b2fd1ceeeea75444)
+++ sources/gui/qml/pages/pretreatment/create/PreTreatmentCreateContent.qml	(.../PreTreatmentCreateContent.qml)	(revision ea9cd1a4f7b40b683b83fd6f7fde58c0e7edb7f8)
@@ -35,9 +35,12 @@
     readonly property int cellHeight    : ( _contentRow.height ) / 7 - ( columnSpacing )
     readonly property int rowSpacing    : Variables.defaultMargin * 3
     readonly property int columnSpacing : 15
+    readonly property bool isValidated  : vTreatmentCreate.parametersValidated
 
     property bool editingEnabled        : true
 
+    onIsValidatedChanged : if ( ! isValidated ) { enableEditing () }
+
     function enableEditing () { editingEnabled = true }
 
     function clear () {