diff --git a/coders/milstein.py b/coders/milstein.py
index f13cfc5b..de8652ae 100755
--- a/coders/milstein.py
+++ b/coders/milstein.py
@@ -12,7 +12,7 @@
 import coders.registration
 
 
-boros = '(?:New York|Manhattan|Brooklyn|Bronx|Queens|Staten Island), (?:NY|N\.Y\.)'
+boros = r"(?:New York|Manhattan|Brooklyn|Bronx|Queens|Staten Island), (?:NY|N\.Y\.)"
 boros_re = r'(New York|Manhattan|Brooklyn|Bronx|Queens|Staten Island), (?:NY|N\.Y\.)$'
 
 streets = '(?:St\.|Street|Place|Pl\.|Road|Rd\.|Avenue|Ave\.|Av\.|Boulevard|Blvd\.|Broadway|Parkway|Pkwy\.|Pky\.|Street \(West\)|Street \(East\))'