diff -Nru rpm-5.1.6.orig/build/files.c rpm-5.1.6/build/files.c
--- rpm-5.1.6.orig/build/files.c	2009-01-01 18:19:43.000000000 +0100
+++ rpm-5.1.6/build/files.c	2009-01-01 18:27:24.000000000 +0100
@@ -2759,8 +2759,9 @@
         flp->uname = fl.def_ar.ar_user  ? getUnameS(fl.def_ar.ar_user)  : getUname(flp->fl_uid);
 	flp->gname = fl.def_ar.ar_group ? getGnameS(fl.def_ar.ar_group) : getGname(flp->fl_gid);
 #else
-	flp->uname = getUname(flp->fl_uid);
-	flp->gname = getGname(flp->fl_gid);
+        /* set a standard owner and group */
+	flp->uname = "packager";
+	flp->gname = "packager";
 #endif
 	flp->langs = xstrdup("");