Retain GUID when joining WIM

diff --git a/src/join.c b/src/join.c
index 622919e976b5ce97d8ae39273f6b4a81da9134c2..b2125d13d5e03f5911ddbcc2b8ce052a632f5077 100644 (file)
--- a/src/join.c
+++ b/src/join.c
@@ -201,6 +201,8 @@ wimlib_join(const tchar * const *swm_names,
        if (ret)
                goto out_free_swms;
 
+       swm0->guid_set_explicitly = 1;
+
        /* It is reasonably safe to provide, WIMLIB_WRITE_FLAG_STREAMS_OK, as we
         * have verified that the specified split WIM parts form a spanned set.
         */