diff --git a/lighthub/abstractin.cpp b/lighthub/abstractin.cpp
index ba43754..928c3b7 100644
--- a/lighthub/abstractin.cpp
+++ b/lighthub/abstractin.cpp
@@ -11,22 +11,33 @@ int abstractIn::publish(int value, char* subtopic)
 {
   char valstr[16];
   printUlongValueToStr(valstr, value);
-  publish(valstr,subtopic);
+  return publish(valstr,subtopic);
 };
 
 int abstractIn::publish(float value, char* subtopic)
 {
   char valstr[16];
   printFloatValueToStr(value, valstr);
-  publish(valstr,subtopic);
+  return publish(valstr,subtopic);
 };
 
 int abstractIn::publish(char * value, char* subtopic)
 {
   char addrstr[MQTT_TOPIC_LENGTH];
+  if (in)
+  {
   aJsonObject *emit = aJson.getObjectItem(in->inputObj, "emit");
-  strncpy(addrstr,emit->valuestring,sizeof(addrstr));
-  if (!strchr(addrstr,'/')) setTopic(addrstr,sizeof(addrstr),T_OUT,emit->valuestring);
-  strncat(addrstr,subtopic,sizeof(addrstr));
-  if (mqttClient.connected()) mqttClient.publish(addrstr, value, true);
+    if (emit)
+     {
+       strncpy(addrstr,emit->valuestring,sizeof(addrstr));
+       if (!strchr(addrstr,'/')) setTopic(addrstr,sizeof(addrstr),T_OUT,emit->valuestring);
+       strncat(addrstr,subtopic,sizeof(addrstr));
+       if (mqttClient.connected())
+                       {
+                        mqttClient.publish(addrstr, value, true);
+                        return 1;
+                      }
+     }
+  }
+return 0;
 };