diff --git a/cores/esp8266/core_esp8266_main.cpp b/cores/esp8266/core_esp8266_main.cpp
index 91a64e0ab8..d7f14b02c8 100644
--- a/cores/esp8266/core_esp8266_main.cpp
+++ b/cores/esp8266/core_esp8266_main.cpp
@@ -24,6 +24,7 @@
 //#define CONT_STACKSIZE 4096
 
 #include <numeric>
+#include <exception>
 
 #include <Arduino.h>
 #include "Schedule.h"