diff -up ksh-20100701/src/cmd/ksh93/sh/xec.c.pipeio ksh-20100701/src/cmd/ksh93/sh/xec.c
--- ksh-20100701/src/cmd/ksh93/sh/xec.c.pipeio	2010-06-30 22:16:08.000000000 +0200
+++ ksh-20100701/src/cmd/ksh93/sh/xec.c	2010-07-21 09:25:54.122741030 +0200
@@ -1320,7 +1320,10 @@ int sh_exec(register const Shnode_t *t, 
 						((Shnode_t*)t)->com.comset = 0;
 #endif
 					if(shp->exitval >=0)
+					{
+						sfsync(sfstdout);
 						goto setexit;
+					}
 					np = 0;
 					type=0;
 				}