diff --git a/trunk/build/buildtools/modulerules.cctype.RVCT b/trunk/build/buildtools/modulerules.cctype.RVCT
index 4f24282..a74adc2 100644
--- a/trunk/build/buildtools/modulerules.cctype.RVCT
+++ b/trunk/build/buildtools/modulerules.cctype.RVCT
@@ -48,7 +48,7 @@ INCLUDES		= -I. $(INCLUDE_DIRS) -I$(RVCT_INCDIRS)
 #
 # Generate dependency files
 #
-DEPEND_RULE	= $(QUOTE)s/^\(.*\)\s\(.*\)$$/&\n\2:/;$(QUOTE)
+DEPEND_RULE	= $(QUOTE)s/^\(.*\)\s\(.*\)$$/&\n\2:/;s!\\([A-Za-z]\\):[\\\\\/]!$(CYGPATH_MOUNTPOINT)\\/\\l\\1\\/!g;$(QUOTE)
 
 define MOVE_SRC_DEPEND
 	$(SED) -e $(DEPEND_RULE) $(*F).d > $(DEPENDDIR)/$(*F).d && $(RM) $(*F).d