diff -r 8bfde5687890 -r 85d5049f694b dav/tar.c
--- a/dav/tar.c	Wed May 30 10:22:33 2018 +0200
+++ b/dav/tar.c	Wed May 30 10:27:44 2018 +0200
@@ -96,8 +96,9 @@
     snprintf(h.mode, 8, "%07o", mode);
     h.mode[7] = ' ';
     // uid/gid
-    memset(h.uid, '0', 16);
+    memset(h.uid, '0', 8);
     h.uid[7] = ' ';
+    memset(h.gid, '0', 8);
     h.gid[7] = ' ';
     // size
     snprintf(h.size, 12, "%011lo", size);