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

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

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

@@ -1647,8 +1647,9 @@ int sh_exec(register const Shnode_t *t, int flags)

 					{

 						if (!unpipe)

 							unpipe = iousepipe(shp);

-						sh_subfork();

 					}

+

+					sh_subfork();

 				}

 			}

 			no_fork = !ntflag && !(type&(FAMP|FPOU)) && !shp->subshell &&