Index: build.c
===================================================================
--- build.c.orig
+++ build.c
@@ -161,7 +161,7 @@ static int buildForTarget(rpmts ts, cons
 	    /* Try again */
 	    (void) pclose(fp);
 
-	    sprintf(cmd, "%s < %s | tar xOvf - \\*.spec 2>&1 > %s",
+	    sprintf(cmd, "%s < %s | tar xOvf - --wildcards \\*.spec 2>&1 > %s",
 		    zcmds[res & 0x3], arg, tmpSpecFile);
 	    if (!(fp = popen(cmd, "r"))) {
 		rpmError(RPMERR_POPEN, _("Failed to open tar pipe: %m\n"));