diff --git a/pycardium/mpconfigport.h b/pycardium/mpconfigport.h
index 767a69fbd78465b10c0ec5ea54608c8a0270670b..a5c3456c2da12bdd526a0d540c961225bbdc57cf 100644
--- a/pycardium/mpconfigport.h
+++ b/pycardium/mpconfigport.h
@@ -31,6 +31,7 @@ int mp_hal_trng_read_int(void);
 #define MICROPY_PY_ALL_SPECIAL_METHODS      (1)
 #define MICROPY_PY_BUILTINS_HELP            (1)
 #define MICROPY_PY_BUILTINS_HELP_MODULES    (1)
+#define MICROPY_PY_BUILTINS_INPUT           (1)
 #define MICROPY_PY_UBINASCII                (1)
 #define MICROPY_PY_UHEAPQ                   (1)
 #define MICROPY_PY_UJSON                    (1)