diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/NSClientInternal/services/NSClientService.java b/app/src/main/java/info/nightscout/androidaps/plugins/NSClientInternal/services/NSClientService.java
index 272959b21c..23a8eb0ae0 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/NSClientInternal/services/NSClientService.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/NSClientInternal/services/NSClientService.java
@@ -79,6 +79,7 @@ public class NSClientService extends Service {
     public static boolean isConnected = false;
     public static boolean hasWriteAuth = false;
     private static Integer dataCounter = 0;
+    private static Integer connectCounter = 0;
 
 
     public static String nightscoutVersionName = "";
@@ -222,7 +223,8 @@ public class NSClientService extends Service {
     private Emitter.Listener onConnect = new Emitter.Listener() {
         @Override
         public void call(Object... args) {
-            MainApp.bus().post(new EventNSClientNewLog("NSCLIENT", "connect event. ID: " + mSocket.id()));
+            connectCounter++;
+            MainApp.bus().post(new EventNSClientNewLog("NSCLIENT", "connect #" + connectCounter + " event. ID: " + mSocket.id()));
             sendAuthMessage(new NSAuthAck());
         }
     };
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/Overview/OverviewFragment.java b/app/src/main/java/info/nightscout/androidaps/plugins/Overview/OverviewFragment.java
index ea3d8d551a..2c68363954 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/Overview/OverviewFragment.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/Overview/OverviewFragment.java
@@ -720,6 +720,9 @@ public class OverviewFragment extends Fragment {
                 deltaView.setText("Δ " + NSProfile.toUnitsString(glucoseStatus.delta, glucoseStatus.delta * Constants.MGDL_TO_MMOLL, units) + " " + units);
                 avgdeltaView.setText("øΔ15m: " + NSProfile.toUnitsString(glucoseStatus.short_avgdelta, glucoseStatus.short_avgdelta * Constants.MGDL_TO_MMOLL, units) +
                         "  øΔ40m: " + NSProfile.toUnitsString(glucoseStatus.long_avgdelta, glucoseStatus.long_avgdelta * Constants.MGDL_TO_MMOLL, units));
+            } else {
+                deltaView.setText("Δ " + MainApp.sResources.getString(R.string.notavailable));
+                avgdeltaView.setText("");
             }
 
             BgReading.units = profile.getUnits();
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index c1e7737ac4..26d946581c 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -541,4 +541,5 @@
     <string name="wear_detailedIOB_title">Show detailed IOB</string>
     <string name="wear_detailedIOB_summary">Break down IOB into bolus and basal IOB on the watchface</string>
     <string name="nosuccess">not successful - please check phone</string>
+    <string name="notavailable">Not available</string>
 </resources>