diff --git a/app/src/main/java/info/nightscout/androidaps/PreferencesActivity.java b/app/src/main/java/info/nightscout/androidaps/PreferencesActivity.java
index a20b97a701..4869229799 100644
--- a/app/src/main/java/info/nightscout/androidaps/PreferencesActivity.java
+++ b/app/src/main/java/info/nightscout/androidaps/PreferencesActivity.java
@@ -26,6 +26,8 @@ import info.nightscout.androidaps.plugins.SensitivityOref0.SensitivityOref0Plugi
 import info.nightscout.androidaps.plugins.Wear.WearPlugin;
 import info.nightscout.androidaps.plugins.XDripStatusline.StatuslinePlugin;
 import info.nightscout.utils.LocaleHelper;
+import info.nightscout.utils.OKDialog;
+import info.nightscout.utils.SP;
 
 public class PreferencesActivity extends PreferenceActivity implements SharedPreferences.OnSharedPreferenceChangeListener {
     MyPreferenceFragment myPreferenceFragment;
@@ -50,6 +52,9 @@ public class PreferencesActivity extends PreferenceActivity implements SharedPre
         if (key.equals("short_tabtitles")) {
             MainApp.bus().post(new EventRefreshGui());
         }
+        if (key.equals("openapsama_useautosens") && SP.getBoolean("openapsama_useautosens", false)) {
+            OKDialog.show(this, MainApp.sResources.getString(R.string.configbuilder_sensitivity), MainApp.sResources.getString(R.string.sensitivity_warning), null);
+        }
         updatePrefSummary(myPreferenceFragment.getPreference(key));
     }
 
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index d48aa720ba..d2f7d07785 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -676,4 +676,5 @@
     <string name="virtualpump_extendedbolus_label_short">EXT</string>
     <string name="lock_screen">Lock screen</string>
     <string name="lock_screen_short">Lock</string>
+    <string name="sensitivity_warning">By turning on Autosense feature remember to enter all eated carbs. Otherwise carbs deviations will be identified wrong as sensitivity change !!</string>
 </resources>