diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/IobCobCalculator/CobInfo.java b/app/src/main/java/info/nightscout/androidaps/plugins/IobCobCalculator/CobInfo.java
index c7213b9f51..d8b6d7674a 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/IobCobCalculator/CobInfo.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/IobCobCalculator/CobInfo.java
@@ -17,14 +17,12 @@ public class CobInfo {
     }
 
     @NonNull
-    public static String generateCOBString() {
-
+    public String generateCOBString() {
         String cobStringResult = "--g";
-        CobInfo cobInfo = IobCobCalculatorPlugin.getPlugin().getCobInfo(false, "WatcherUpdaterService");
-        if (cobInfo.displayCob != null) {
-            cobStringResult = DecimalFormatter.to0Decimal(cobInfo.displayCob);
-            if (cobInfo.futureCarbs > 0) {
-                cobStringResult += "(" + DecimalFormatter.to0Decimal(cobInfo.futureCarbs) + ")";
+        if (displayCob != null) {
+            cobStringResult = DecimalFormatter.to0Decimal(displayCob);
+            if (futureCarbs > 0) {
+                cobStringResult += "(" + DecimalFormatter.to0Decimal(futureCarbs) + ")";
             }
             cobStringResult += "g";
         }
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/IobCobCalculator/IobCobCalculatorPlugin.java b/app/src/main/java/info/nightscout/androidaps/plugins/IobCobCalculator/IobCobCalculatorPlugin.java
index 3552931586..ceca24839f 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/IobCobCalculator/IobCobCalculatorPlugin.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/IobCobCalculator/IobCobCalculatorPlugin.java
@@ -1,6 +1,7 @@
 package info.nightscout.androidaps.plugins.IobCobCalculator;
 
 import android.os.SystemClock;
+import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import android.support.v4.util.LongSparseArray;
 
@@ -404,6 +405,8 @@ public class IobCobCalculatorPlugin extends PluginBase {
         }
     }
 
+
+    @NonNull
     public CobInfo getCobInfo(boolean _synchronized, String reason) {
         AutosensData autosensData = _synchronized ? getLastAutosensDataSynchronized(reason) : getLastAutosensData(reason);
         Double displayCob = null;
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/Persistentnotification/PersistentNotificationPlugin.java b/app/src/main/java/info/nightscout/androidaps/plugins/Persistentnotification/PersistentNotificationPlugin.java
index 332b308ade..7194dae8d7 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/Persistentnotification/PersistentNotificationPlugin.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/Persistentnotification/PersistentNotificationPlugin.java
@@ -36,6 +36,7 @@ import info.nightscout.androidaps.interfaces.PluginDescription;
 import info.nightscout.androidaps.interfaces.PluginType;
 import info.nightscout.androidaps.plugins.ConfigBuilder.ConfigBuilderPlugin;
 import info.nightscout.androidaps.plugins.IobCobCalculator.CobInfo;
+import info.nightscout.androidaps.plugins.IobCobCalculator.IobCobCalculatorPlugin;
 import info.nightscout.androidaps.plugins.Treatments.TreatmentsPlugin;
 import info.nightscout.utils.DecimalFormatter;
 
@@ -127,7 +128,7 @@ public class PersistentNotificationPlugin extends PluginBase {
         IobTotal basalIob = TreatmentsPlugin.getPlugin().getLastCalculationTempBasals().round();
 
 
-        String line2 = ctx.getString(R.string.treatments_iob_label_string) + " " +  DecimalFormatter.to2Decimal(bolusIob.iob + basalIob.basaliob) + "U " + MainApp.gs(R.string.cob)+": " + CobInfo.generateCOBString();
+        String line2 = ctx.getString(R.string.treatments_iob_label_string) + " " +  DecimalFormatter.to2Decimal(bolusIob.iob + basalIob.basaliob) + "U " + MainApp.gs(R.string.cob)+": " + IobCobCalculatorPlugin.getPlugin().getCobInfo(false, "PersistentNotificationPlugin").generateCOBString();;
         
         String line3 = DecimalFormatter.to2Decimal(ConfigBuilderPlugin.getActivePump().getBaseBasalRate()) + " U/h";
 
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/Wear/wearintegration/WatchUpdaterService.java b/app/src/main/java/info/nightscout/androidaps/plugins/Wear/wearintegration/WatchUpdaterService.java
index e999a9f4b9..705bae47a7 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/Wear/wearintegration/WatchUpdaterService.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/Wear/wearintegration/WatchUpdaterService.java
@@ -38,6 +38,7 @@ import info.nightscout.androidaps.db.BgReading;
 import info.nightscout.androidaps.db.DatabaseHelper;
 import info.nightscout.androidaps.db.TemporaryBasal;
 import info.nightscout.androidaps.plugins.IobCobCalculator.CobInfo;
+import info.nightscout.androidaps.plugins.IobCobCalculator.IobCobCalculatorPlugin;
 import info.nightscout.androidaps.plugins.Treatments.Treatment;
 import info.nightscout.androidaps.interfaces.PluginType;
 import info.nightscout.androidaps.interfaces.TreatmentsInterface;
@@ -590,7 +591,7 @@ public class WatchUpdaterService extends WearableListenerService implements
 
                 iobSum = DecimalFormatter.to2Decimal(bolusIob.iob + basalIob.basaliob);
                 iobDetail = "(" + DecimalFormatter.to2Decimal(bolusIob.iob) + "|" + DecimalFormatter.to2Decimal(basalIob.basaliob) + ")";
-                cobString = CobInfo.generateCOBString();
+                cobString = IobCobCalculatorPlugin.getPlugin().getCobInfo(false, "WatcherUpdaterService").generateCOBString();
                 currentBasal = generateBasalString(treatmentsInterface);
 
                 //bgi
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/XDripStatusline/StatuslinePlugin.java b/app/src/main/java/info/nightscout/androidaps/plugins/XDripStatusline/StatuslinePlugin.java
index 0c5cbe5805..426acbe6ca 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/XDripStatusline/StatuslinePlugin.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/XDripStatusline/StatuslinePlugin.java
@@ -26,6 +26,7 @@ import info.nightscout.androidaps.interfaces.PluginType;
 import info.nightscout.androidaps.interfaces.TreatmentsInterface;
 import info.nightscout.androidaps.plugins.ConfigBuilder.ConfigBuilderPlugin;
 import info.nightscout.androidaps.plugins.IobCobCalculator.CobInfo;
+import info.nightscout.androidaps.plugins.IobCobCalculator.IobCobCalculatorPlugin;
 import info.nightscout.androidaps.plugins.Loop.LoopPlugin;
 import info.nightscout.androidaps.plugins.Treatments.TreatmentsPlugin;
 import info.nightscout.utils.DecimalFormatter;
@@ -147,7 +148,7 @@ public class StatuslinePlugin extends PluginBase {
         double bgi = -(bolusIob.activity + basalIob.activity) * 5 * profile.getIsf();
 
         status += " " + ((bgi >= 0) ? "+" : "") + DecimalFormatter.to2Decimal(bgi);
-        status += " " + CobInfo.generateCOBString();
+        status += " " + IobCobCalculatorPlugin.getPlugin().getCobInfo(false, "StatuslinePlugin").generateCOBString();
 
         return status;
     }