diff --git a/cores/esp32/Arduino.h b/cores/esp32/Arduino.h
index d2f641c588295a5f70f36fe490c593de6b09114b..8b0aa220d98ab4d0b68d65751500d285e3ec9ed4 100644
--- a/cores/esp32/Arduino.h
+++ b/cores/esp32/Arduino.h
@@ -79,8 +79,9 @@
 #define degrees(rad) ((rad)*RAD_TO_DEG)
 #define sq(x) ((x)*(x))
 
-#define sei()
-#define cli()
+// ESP32xx runs FreeRTOS... disabling interrupts can lead to issues, such as Watchdog Timeout
+#define sei() portENABLE_INTERRUPTS()
+#define cli() portDISABLE_INTERRUPTS()
 #define interrupts() sei()
 #define noInterrupts() cli()