--- rpm-4.11.3/build/files.c.old	2019-01-02 13:14:10.217068479 +0100
+++ rpm-4.11.3/build/files.c	2019-03-20 13:18:38.290142740 +0100
@@ -2015,23 +2015,32 @@
 	    flp->fl_mode &= S_IFMT;
 	    flp->fl_mode |= fl.def.ar.ar_fmode;
 	}
+
 	if (fl.def.ar.ar_user) {
 	    flp->uname = fl.def.ar.ar_user;
 	} else {
 	    flp->uname = rpmstrPoolId(fl.pool, rpmugUname(flp->fl_uid), 1);
 	}
+	if (! flp->uname) {
+	    flp->uname = rpmstrPoolId(fl.pool, rpmugUname(getuid()), 1);
+	}
+	if (! flp->uname) {
+	    flp->uname = rpmstrPoolId(fl.pool, "root", 1);
+	}
+
 	if (fl.def.ar.ar_group) {
 	    flp->gname = fl.def.ar.ar_group;
 	} else {
 	    flp->gname = rpmstrPoolId(fl.pool, rpmugGname(flp->fl_gid), 1);
 	}
-	flp->langs = xstrdup("");
-	
-	if (! (flp->uname && flp->gname)) {
-	    rpmlog(RPMLOG_ERR, _("Bad owner/group: %s\n"), diskPath);
-	    fl.processingFailed = 1;
+	if (! flp->gname) {
+	    flp->gname = rpmstrPoolId(fl.pool, rpmugGname(getgid()), 1);
+	}
+	if (! flp->gname) {
+	    flp->gname = rpmstrPoolId(fl.pool, "root", 1);
 	}
 
+	flp->langs = xstrdup("");
 	fl.files.used++;
     }
     argvFree(files);
--- rpm-4.11.3/build/parsePrep.c.old	2013-11-22 11:31:31.000000000 +0100
+++ rpm-4.11.3/build/parsePrep.c	2019-03-20 13:19:33.705172465 +0100
@@ -29,10 +29,6 @@
 		urlfn, strerror(errno));
 	return RPMRC_FAIL;
     }
-    if (!rpmugUname(sb.st_uid) || !rpmugGname(sb.st_gid)) {
-	rpmlog(RPMLOG_ERR, _("Bad owner/group: %s\n"), urlfn);
-	return RPMRC_FAIL;
-    }
 
     return RPMRC_OK;
 }