diff --git a/src/api/python/setup.py b/src/api/python/setup.py
index bcf55a76d4..aac6d9943d 100644
--- a/src/api/python/setup.py
+++ b/src/api/python/setup.py
@@ -253,7 +253,7 @@ def run(self):
 # The Azure Dev Ops pipelines use internal OS version tagging that don't correspond
 # to releases.
 
-internal_build_re = re.compile("((.+)\_7")
+internal_build_re = re.compile("(.+)\_7")
 
 class bdist_wheel(_bdist_wheel):