diff --git a/Adafruit_MQTT_FONA.h b/Adafruit_MQTT_FONA.h
index a65b99d..4a73b0f 100644
--- a/Adafruit_MQTT_FONA.h
+++ b/Adafruit_MQTT_FONA.h
@@ -50,7 +50,9 @@ class Adafruit_MQTT_FONA : public Adafruit_MQTT {
   bool connectServer() {
     char server[40];
     strncpy_P(server, servername, 40);
+#ifdef ADAFRUIT_SLEEPYDOG_H
     Watchdog.reset();
+#endif
 
     // connect to server
     DEBUG_PRINTLN(F("Connecting to TCP"));
@@ -116,7 +118,9 @@ class Adafruit_MQTT_FONA : public Adafruit_MQTT {
         }
 
       }
+#ifdef ADAFRUIT_SLEEPYDOG_H
       Watchdog.reset();
+#endif
       timeout -= MQTT_FONA_INTERAVAILDELAY;
       timeout -= MQTT_FONA_QUERYDELAY; // this is how long it takes to query the FONA for avail()
       delay(MQTT_FONA_INTERAVAILDELAY);