diff --git a/modules/py_helper.c b/modules/py_helper.c index 0bb779646..9e6a69d7b 100644 --- a/modules/py_helper.c +++ b/modules/py_helper.c @@ -64,7 +64,7 @@ image_t *py_helper_arg_to_image(const mp_obj_t arg, uint32_t flags) { } else if ((flags & ARG_IMAGE_UNCOMPRESSED) && image->is_compressed) { mp_raise_msg(&mp_type_ValueError, MP_ERROR_TEXT("Expected an uncompressed image")); } else if ((flags & ARG_IMAGE_GRAYSCALE) && image->pixfmt != PIXFORMAT_GRAYSCALE) { - mp_raise_msg(&mp_type_ValueError, MP_ERROR_TEXT("Expected an uncompressed image")); + mp_raise_msg(&mp_type_ValueError, MP_ERROR_TEXT("Expected a grayscale image")); } } return image;