diff --git a/SensorHub.Servers/TelecomReceiveFilter.cs b/SensorHub.Servers/TelecomReceiveFilter.cs
index 65fa11b..ecdef65 100644
--- a/SensorHub.Servers/TelecomReceiveFilter.cs
+++ b/SensorHub.Servers/TelecomReceiveFilter.cs
@@ -158,11 +158,11 @@
                 }
                 else
                 {
-                    return "";
+                    return "normal";
                 }
             } catch (Exception ex)
             {
-                return "";
+                return "normal";
             }