diff --git a/src/ArduinoIoTCloudTCP.cpp b/src/ArduinoIoTCloudTCP.cpp
index e04d41027..e65da587e 100644
--- a/src/ArduinoIoTCloudTCP.cpp
+++ b/src/ArduinoIoTCloudTCP.cpp
@@ -282,7 +282,7 @@ int ArduinoIoTCloudTCP::begin(bool const enable_watchdog, String brokerAddress,
    * call to ArduinoIoTCloudTCP::update() it is wise to
    * set a rather large timeout at first.
    */
-#if defined (ARDUINO_ARCH_SAMD) || (ARDUINO_ARCH_MBED)
+#if defined (ARDUINO_ARCH_SAMD) || defined (ARDUINO_ARCH_MBED)
   if (enable_watchdog) {
     watchdog_enable();
 #ifdef WIFI_HAS_FEED_WATCHDOG_FUNC
@@ -300,7 +300,7 @@ void ArduinoIoTCloudTCP::update()
   /* Feed the watchdog. If any of the functions called below
    * get stuck than we can at least reset and recover.
    */
-#if defined (ARDUINO_ARCH_SAMD) || (ARDUINO_ARCH_MBED)
+#if defined (ARDUINO_ARCH_SAMD) || defined (ARDUINO_ARCH_MBED)
   watchdog_reset();
 #endif
 
@@ -322,7 +322,7 @@ void ArduinoIoTCloudTCP::update()
    * maximum watchdog window is 8389ms; despite this we feed it for all 
    * supported ARCH to keep code aligned.
    */
-#if defined (ARDUINO_ARCH_SAMD) || (ARDUINO_ARCH_MBED)
+#if defined (ARDUINO_ARCH_SAMD) || defined (ARDUINO_ARCH_MBED)
   watchdog_reset();
 #endif
 
diff --git a/src/utility/watchdog/Watchdog.cpp b/src/utility/watchdog/Watchdog.cpp
index d12b7a373..ea0324dde 100644
--- a/src/utility/watchdog/Watchdog.cpp
+++ b/src/utility/watchdog/Watchdog.cpp
@@ -135,7 +135,7 @@ void mbed_watchdog_trigger_reset()
 }
 #endif /* ARDUINO_ARCH_MBED */
 
-#if defined (ARDUINO_ARCH_SAMD) || (ARDUINO_ARCH_MBED)
+#if defined (ARDUINO_ARCH_SAMD) || defined (ARDUINO_ARCH_MBED)
 void watchdog_enable()
 {
 #ifdef ARDUINO_ARCH_SAMD
diff --git a/src/utility/watchdog/Watchdog.h b/src/utility/watchdog/Watchdog.h
index f1ca98841..879317684 100644
--- a/src/utility/watchdog/Watchdog.h
+++ b/src/utility/watchdog/Watchdog.h
@@ -22,7 +22,7 @@
  * FUNCTION DECLARATION
  ******************************************************************************/
 
-#if defined (ARDUINO_ARCH_SAMD) || (ARDUINO_ARCH_MBED)
+#if defined (ARDUINO_ARCH_SAMD) || defined (ARDUINO_ARCH_MBED)
 void watchdog_enable();
 void watchdog_reset();
 #endif /* (ARDUINO_ARCH_SAMD) || (ARDUINO_ARCH_MBED) */