diff --git a/src/create.c b/src/create.c
index 25387a9..9a7a05a 100644
--- a/src/create.c
+++ b/src/create.c
@@ -514,8 +514,8 @@ start_private_header (const char *name, size_t size, time_t t)

   TIME_TO_CHARS (t, header->header.mtime);
   MODE_TO_CHARS (S_IFREG|S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH, header->header.mode);
-  UID_TO_CHARS (getuid (), header->header.uid);
-  GID_TO_CHARS (getgid (), header->header.gid);
+  UID_TO_CHARS (0, header->header.uid);
+  GID_TO_CHARS (0, header->header.gid);
   MAJOR_TO_CHARS (0, header->header.devmajor);
   MINOR_TO_CHARS (0, header->header.devminor);
   strncpy (header->header.magic, TMAGIC, TMAGLEN);