--- a/Win32OperatingSystem.st	Sun Nov 22 03:24:15 2015 +0100
+++ b/Win32OperatingSystem.st	Tue Nov 24 12:11:56 2015 +0100
@@ -878,6 +878,7 @@
     "Modified: 7.1.1997 / 19:36:11 / stefan"
 ! !
 
+
 !Win32OperatingSystem class methodsFor:'OS signal constants'!
 
 sigABRT
@@ -4539,7 +4540,7 @@
     "copy the directory named 'sourcePathName' and all contained files/directories to 'destination'.
      Return true if successful."
 
-    ^ OperatingSystem executeCommand:('xcopy %1 %2 /s /e /h' bindWith:sourcePathName with:destination)
+    ^ OperatingSystem executeCommand:('xcopy %1 %2 /s /e /h /r /y' bindWith:sourcePathName with:destination)
 !
 
 removeDirectory:fullPathName