diff --git a/esp8266/mpconfigport.h b/esp8266/mpconfigport.h
index c851f90f6a..9aec0b0880 100644
--- a/esp8266/mpconfigport.h
+++ b/esp8266/mpconfigport.h
@@ -53,6 +53,7 @@
 #define MICROPY_PY_MACHINE          (1)
 #define MICROPY_PY_MACHINE_I2C      (1)
 #define MICROPY_PY_WEBSOCKET        (1)
+#define MICROPY_PY_WEBREPL_DELAY    (20)
 #define MICROPY_PY_FRAMEBUF         (1)
 #define MICROPY_PY_MICROPYTHON_MEM_INFO (1)
 #define MICROPY_PY_OS_DUPTERM       (1)