diff --git a/libdivecomputer.c b/libdivecomputer.c
index bf912f0..8589a1c 100644
--- a/libdivecomputer.c
+++ b/libdivecomputer.c
@@ -78,7 +78,7 @@ static parser_status_t create_parser(device_data_t *devdata, parser_t **parser)
                return mares_iconhd_parser_create(parser, devdata->devinfo.model);

        case DEVICE_TYPE_HW_OSTC:
-               return hw_ostc_parser_create(parser);
+               return hw_ostc_parser_create(parser, 0);

        case DEVICE_TYPE_CRESSI_EDY:
        case DEVICE_TYPE_ZEAGLE_N2ITION3: