diff --git a/src/cmd/ksh93/sh/fault.c b/src/cmd/ksh93/sh/fault.c

--- a/src/cmd/ksh93/sh/fault.c

+++ b/src/cmd/ksh93/sh/fault.c

@@ -643,7 +643,7 @@ void sh_done(void *ptr, register int sig)

 	sfsync((Sfio_t*)sfstdin);

 	sfsync((Sfio_t*)shp->outpool);

 	sfsync((Sfio_t*)sfstdout);

-	if(savxit&SH_EXITSIG)

+	if((savxit&SH_EXITMASK) == shp->lastsig)

 		sig = savxit&SH_EXITMASK;

 	if(sig)

 	{

@@ -668,6 +668,12 @@ void sh_done(void *ptr, register int sig)

 	if(sh_isoption(SH_NOEXEC))

 		kiaclose((Lex_t*)shp->lex_context);

 #endif /* SHOPT_KIA */

+

+	/* Return POSIX exit code if last process exits due to signal */

+	if (savxit & SH_EXITSIG) {

+		exit(128 + (savxit&SH_EXITMASK));

+	}

+

 	exit(savxit&SH_EXITMASK);

 }