diff --git a/app/src/main/java/com/ericsson/uecontrol/gui/util/CSVWriter.java b/app/src/main/java/com/ericsson/uecontrol/gui/util/CSVWriter.java
index 70161b2..18a8f4c 100755
--- a/app/src/main/java/com/ericsson/uecontrol/gui/util/CSVWriter.java
+++ b/app/src/main/java/com/ericsson/uecontrol/gui/util/CSVWriter.java
@@ -78,6 +78,8 @@ public class CSVWriter {
     public static String getRat(Context context){
         ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
         NetworkInfo netInfo = cm.getActiveNetworkInfo();
+        if(netInfo == null)
+            return "n/a";
 
         //WifiManager wm = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
         //WifiInfo wifiInfo = wm.getConnectionInfo();