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-rw-r--r--BaseTools/Source/Python/UPT/Library/CommentParsing.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/BaseTools/Source/Python/UPT/Library/CommentParsing.py b/BaseTools/Source/Python/UPT/Library/CommentParsing.py
index 7ba9830d34..7b1ce05493 100644
--- a/BaseTools/Source/Python/UPT/Library/CommentParsing.py
+++ b/BaseTools/Source/Python/UPT/Library/CommentParsing.py
@@ -238,7 +238,7 @@ def ParseDecPcdGenericComment (GenericComment, ContainerFile, TokenSpaceGuidCNam
#
# To replace Macro
#
- MACRO_PATTERN = '[\t\s]*\$\([A-Z][_A-Z0-9]*\)'
+ MACRO_PATTERN = r'[\t\s]*\$\([A-Z][_A-Z0-9]*\)'
MatchedStrs = re.findall(MACRO_PATTERN, Comment)
for MatchedStr in MatchedStrs:
if MatchedStr: