--- tar-1.15.1/src/create.c.incompatibilities	2006-09-19 22:23:32.000000000 +0200
+++ tar-1.15.1/src/create.c	2006-09-19 22:24:02.000000000 +0200
@@ -254,7 +254,8 @@
       && S_IROTH == TOREAD && S_IWOTH == TOWRITE && S_IXOTH == TOEXEC
       && archive_format != POSIX_FORMAT
       && archive_format != USTAR_FORMAT
-      && archive_format != GNU_FORMAT)
+      && archive_format != GNU_FORMAT
+      && archive_format != OLDGNU_FORMAT)
     {
       negative = v < 0;
       u = v;