diff --git a/scripts/install-buildtools b/scripts/install-buildtools
index 1a458a2cc7..fbf6a4bc38 100755
--- a/scripts/install-buildtools
+++ b/scripts/install-buildtools
@@ -239,7 +239,7 @@ def main():
                 if ret != 0:
                     logger.error("Could not download file from %s" % check_url)
                     return ret
-            regex = re.compile(r"^(?P<checksum>[0-9a-f]+)\s\s(?P<path>.*/)?(?P<filename>.*)$")
+            regex = re.compile(r"^(?P<checksum>[0-9a-f]+)\s+(?P<path>.*/)?(?P<filename>.*)$")
             with open(tmpbuildtools_checksum, 'rb') as f:
                 original = f.read()
                 m = re.search(regex, original.decode("utf-8"))