diff --git a/mpy-cross/mpconfigport.h b/mpy-cross/mpconfigport.h
index c919e42911..c0a404103b 100644
--- a/mpy-cross/mpconfigport.h
+++ b/mpy-cross/mpconfigport.h
@@ -59,6 +59,7 @@
 
 #define MICROPY_FLOAT_IMPL          (MICROPY_FLOAT_IMPL_DOUBLE)
 #define MICROPY_CPYTHON_COMPAT      (1)
+#define MICROPY_USE_INTERNAL_PRINTF (0)
 
 #define MICROPY_PY_BUILTINS_STR_UNICODE (1)