diff --git a/app/src/main/java/info/nightscout/androidaps/Constants.java b/app/src/main/java/info/nightscout/androidaps/Constants.java
index adb3be4dc0..21a89d8920 100644
--- a/app/src/main/java/info/nightscout/androidaps/Constants.java
+++ b/app/src/main/java/info/nightscout/androidaps/Constants.java
@@ -36,6 +36,8 @@ public class Constants {
     public static final int CPP_MIN_TIMESHIFT = -6;
     public static final int CPP_MAX_TIMESHIFT = 23;
 
+    public static final double MAX_PROFILE_SWITCH_DURATION = 7 * 24 * 60; // [min] ~ 7 days
+
     //DanaR
     public static final double dailyLimitWarning = 0.95d;
 
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/general/careportal/Dialogs/NewNSTreatmentDialog.java b/app/src/main/java/info/nightscout/androidaps/plugins/general/careportal/Dialogs/NewNSTreatmentDialog.java
index 7c50cdc7e5..8818638201 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/general/careportal/Dialogs/NewNSTreatmentDialog.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/general/careportal/Dialogs/NewNSTreatmentDialog.java
@@ -296,7 +296,7 @@ public class NewNSTreatmentDialog extends DialogFragment implements View.OnClick
         editSplit = (NumberPicker) view.findViewById(R.id.careportal_newnstreatment_splitinput);
         editSplit.setParams(100d, 0d, 100d, 5d, new DecimalFormat("0"), true, view.findViewById(R.id.ok));
         editDuration = (NumberPicker) view.findViewById(R.id.careportal_newnstreatment_durationinput);
-        editDuration.setParams(0d, 0d, 24 * 60d, 10d, new DecimalFormat("0"), false, view.findViewById(R.id.ok));
+        editDuration.setParams(0d, 0d, Constants.MAX_PROFILE_SWITCH_DURATION, 10d, new DecimalFormat("0"), false, view.findViewById(R.id.ok));
 
         TextWatcher percentTextWatcher = new TextWatcher() {
             @Override