diff --git a/ports/esp32s2/common-hal/socketpool/Socket.c b/ports/esp32s2/common-hal/socketpool/Socket.c
index db8356f66f..003ba24434 100644
--- a/ports/esp32s2/common-hal/socketpool/Socket.c
+++ b/ports/esp32s2/common-hal/socketpool/Socket.c
@@ -26,6 +26,7 @@
 
 #include "shared-bindings/socketpool/Socket.h"
 
+#include "bindings/espidf/__init__.h"
 #include "lib/utils/interrupt_char.h"
 #include "py/mperrno.h"
 #include "py/runtime.h"