--- a/Win32OperatingSystem.st	Tue Nov 29 14:35:29 2016 +0100
+++ b/Win32OperatingSystem.st	Tue Nov 29 15:08:53 2016 +0100
@@ -978,6 +978,7 @@
     "Modified: 7.1.1997 / 19:36:11 / stefan"
 ! !
 
+
 !Win32OperatingSystem class methodsFor:'OS signal constants'!
 
 sigABRT
@@ -4419,7 +4420,7 @@
                                with:err fileHandle
                                with:(anAuxiliaryStream notNil ifTrue:[anAuxiliaryStream fileHandle] ifFalse:[nil]))
         fork:true
-        newPgrp:true
+        newPgrp:newPgrp
         inDirectory:dir
         showWindow:(showWindowBooleanOrNil ? (shellAndArgs at:3)).