diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/Source/SourceNSClientPlugin.java b/app/src/main/java/info/nightscout/androidaps/plugins/Source/SourceNSClientPlugin.java
index eb901ca1b7..50ad9e0984 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/Source/SourceNSClientPlugin.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/Source/SourceNSClientPlugin.java
@@ -96,7 +96,7 @@ public class SourceNSClientPlugin extends PluginBase implements BgSourceInterfac
         NSSgv nsSgv = new NSSgv(sgvJson);
         BgReading bgReading = new BgReading(nsSgv);
         MainApp.getDbHelper().createIfNotExists(bgReading, "NS");
-        SourceNSClientPlugin.getPlugin().detectSource(JsonHelper.safeGetString(sgvJson, "device"), JsonHelper.safeGetLong(sgvJson, "mills"));
+        SourceNSClientPlugin.getPlugin().detectSource(JsonHelper.safeGetString(sgvJson, "device", "none"), JsonHelper.safeGetLong(sgvJson, "mills"));
     }
 
     public void detectSource(String source, long timeStamp) {