diff --git a/harbour/ChangeLog b/harbour/ChangeLog
index 5dd6d5aa56..96313bf3ce 100644
--- a/harbour/ChangeLog
+++ b/harbour/ChangeLog
@@ -17,6 +17,10 @@
    past entries belonging to author(s): Viktor Szakats.
 */
 
+2009-07-11 17:03 UTC+0200 Viktor Szakats (harbour.01 syenar.hu)
+  * config/os2/watcom.cf
+    ! Protected dirsep trick to only kick in with NT Shell.
+
 2009-07-11 16:55 UTC+0200 Przemyslaw Czerpak (druzus/at/priv.onet.pl)
   * harbour/external/sqlite3/Makefile
     * set SQLITE_OS_OTHER for all DOS builds
diff --git a/harbour/config/os2/watcom.cf b/harbour/config/os2/watcom.cf
index 6196dac312..6b4e2dbae9 100644
--- a/harbour/config/os2/watcom.cf
+++ b/harbour/config/os2/watcom.cf
@@ -60,9 +60,11 @@ ifeq ($(HB_BUILD_DEBUG),yes)
 CPPFLAGS += -d2
 endif
 
+ifeq ($(SHLVL),) # NT Shell
 ifeq ($(CC),wcc386)
 CC_RULE = $(CC) $(subst /,\,$(CPPFLAGS)) $(subst /,\,$(CFLAGS)) $(HB_CDBG) $(subst /,\,$(HB_USER_CFLAGS)) $(HB_CDYNLIB) $(subst /,\,$(CC_IN)) $(subst /,\,$<) $(CC_OUT)$(<F:.c=$(OBJ_EXT))
 endif
+endif
 
 # Note: The empty line directly before 'endef' HAVE TO exist!
 # It causes that the 'echo' command is separated by LF