diff --git a/rulesrc/sandbox/fkento/20_phone_numbers.cf b/rulesrc/sandbox/fkento/20_phone_numbers.cf
index 156b1654dd..4228b0a603 100644
--- a/rulesrc/sandbox/fkento/20_phone_numbers.cf
+++ b/rulesrc/sandbox/fkento/20_phone_numbers.cf
@@ -6,7 +6,7 @@ body          __MXG_HAS_PHONE05  /\+1([\W_]*[0-9]){10}(?![\W_]*[0-9])/
 meta          __MXG_HAS_PHONE  __MXG_HAS_PHONE01 || __MXG_HAS_PHONE02 || __MXG_HAS_PHONE03 || __MXG_HAS_PHONE04 || __MXG_HAS_PHONE05
 describe      __MXG_HAS_PHONE  Has a phone number
 
-body          __MXG_PHONE_OBFU  /(?!(1\W*)?\d{3}\W+\d{3}\W+\d{4})\b([1I][^a-zA-Z0-9]*)?[\dOIl]{3}[^a-zA-Z0-9]+[\dOIl]{3}[^a-zA-Z0-9]+[\dOIl]{4}\b/
+body          __MXG_PHONE_OBFU  /(?!(1\W{0,30})?\d{3}\W{1,30}\d{3}[^a-zA-Z0-9]{1,30}\d{4})\b([1I][^a-zA-Z0-9]{0,30})?[\dOIl]{3}[^a-zA-Z0-9]{1,30}[\dOIl]{3}[^a-zA-Z0-9]{1,30}[\dOIl]{4}\b/
 describe      __MXG_PHONE_OBFU  Has an obfuscated phone number
 
 meta          MXG_PHONE_OBFU_ONLY  __MXG_PHONE_OBFU && !__MXG_HAS_PHONE
@@ -14,4 +14,4 @@ score         MXG_PHONE_OBFU_ONLY  0.1
 describe      MXG_PHONE_OBFU_ONLY  Obfuscated phone number only
 
 # Deprecated - Don't use
-body         __MXG_PHONE_OBFU01  /\b[1I]?[\dOIl]{3}[^a-zA-Z0-9]+[\dOIl]{3}[^a-zA-Z0-9]+[\dOIl]{4}\b/
\ No newline at end of file
+body         __MXG_PHONE_OBFU01  /\b[1I]?[\dOIl]{3}[^a-zA-Z0-9]+[\dOIl]{3}[^a-zA-Z0-9]+[\dOIl]{4}\b/