diff --git a/lib/utils/pyexec.h b/lib/utils/pyexec.h
index bc98ba94a7..678c56cf48 100644
--- a/lib/utils/pyexec.h
+++ b/lib/utils/pyexec.h
@@ -26,6 +26,8 @@
 #ifndef MICROPY_INCLUDED_LIB_UTILS_PYEXEC_H
 #define MICROPY_INCLUDED_LIB_UTILS_PYEXEC_H
 
+#include "py/obj.h"
+
 typedef enum {
     PYEXEC_MODE_RAW_REPL,
     PYEXEC_MODE_FRIENDLY_REPL,