diff -up tcsh-6.14.00/sh.proc.c.pipeexec tcsh-6.14.00/sh.proc.c
--- tcsh-6.14.00/sh.proc.c.pipeexec	2010-10-15 10:49:20.647126202 +0200
+++ tcsh-6.14.00/sh.proc.c	2010-10-15 13:25:51.203378381 +0200
@@ -627,6 +627,10 @@ pjwait(pp)
     reason = 0;
     fp = pp;
     do {
+	/* In case of pipelines only the result of the last
+	 * command should be taken in account */
+	if ((fp->p_flags & PPOU) || (fp->p_flags & PBACKQ))
+	    continue;
 	if (fp->p_reason)
 	    reason = fp->p_flags & (PSIGNALED | PINTERRUPTED) ?
 		fp->p_reason | META : fp->p_reason;