Index: BaseTools/Conf/tools_def.template
===================================================================
--- BaseTools/Conf/tools_def.template	(revision 14119)
+++ BaseTools/Conf/tools_def.template	(working copy)
@@ -2534,7 +2534,7 @@
 *_*_*_OBJCOPY_FLAGS             = objcopy not needed for
 *_*_*_SYMRENAME_PATH            = echo
 *_*_*_SYMRENAME_FLAGS           = Symbol renaming not needed for
-DEBUG_*_*_OBJCOPY_ADDDEBUGFLAG     = --add-gnu-debuglink=$(DEBUG_DIR)\$(MODULE_NAME).debug
+DEBUG_*_*_OBJCOPY_ADDDEBUGFLAG     = --add-gnu-debuglink=$(DEBUG_DIR)/$(MODULE_NAME).debug
 RELEASE_*_*_OBJCOPY_ADDDEBUGFLAG   =
 
 DEFINE GCC_ALL_CC_FLAGS            = -g -Os -fshort-wchar -fno-strict-aliasing -Wall -Werror -Wno-missing-braces -Wno-array-bounds -c -include AutoGen.h