diff -up ksh-20120801/src/cmd/ksh93/sh/xec.c.mtty ksh-20120801/src/cmd/ksh93/sh/xec.c
--- ksh-20120801/src/cmd/ksh93/sh/xec.c.mtty 2013-10-30 13:23:31.342298357 +0100
+++ ksh-20120801/src/cmd/ksh93/sh/xec.c 2013-10-30 13:24:20.453885803 +0100
@@ -3144,7 +3144,7 @@ pid_t _sh_fork(Shell_t *shp,register pid
* completed. Make parent the job group id.
*/
if(postid==0)
- job.curpgid = parent;
+ job.curpgid = job.jobcontrol?parent:getpid();
if(job.jobcontrol || (flags&FAMP))
{
if(setpgid(parent,job.curpgid)<0 && errno==EPERM)