diff --git a/check_regex.yaml b/check_regex.yaml
index 538d570daea4..3b5e13a650e5 100644
--- a/check_regex.yaml
+++ b/check_regex.yaml
@@ -38,7 +38,7 @@ standards:
 
     - exactly:
           [
-              269,
+              266,
               "non-bitwise << uses",
               '(?<!\d)(?<!\d\s)(?<!<)<<(?!=|\s\d|\d|<|\/)',
           ]