diff --git a/scripts/geodata/openaddresses/formatter.py b/scripts/geodata/openaddresses/formatter.py
index 35ae576b..0aa64605 100644
--- a/scripts/geodata/openaddresses/formatter.py
+++ b/scripts/geodata/openaddresses/formatter.py
@@ -33,8 +33,8 @@ unknown_regex = re.compile('\bunknown\b', re.I)
 not_applicable_regex = re.compile('^\s*n\.?\s*/?\s*a\.?\s*$', re.I)
 sin_numero_regex = re.compile('^\s*s\s\s*/\s*n\s*$')
 fraction_regex = re.compile('^\s*[\d]+[\s]*/[\s]*(?:[\d]+|[a-z]|[\d]+[a-z]|[a-z][\d]+)[\s]*$', re.I)
-number_space_letter_regex = re.compile('^[\d]+ [a-z]', re.I)
-number_slash_number_regex = re.compile('^(?:[\d]+|[a-z]|[\d]+[a-z]|[a-z][\d]+)[\s]*/[\s]*(?:[\d]+|[a-z]|[\d]+[a-z]|[a-z][\d]+)', re.I)
+number_space_letter_regex = re.compile('^[\d]+ [a-z]$', re.I)
+number_slash_number_regex = re.compile('^(?:[\d]+|[a-z]|[\d]+[a-z]|[a-z][\d]+)[\s]*/[\s]*(?:[\d]+|[a-z]|[\d]+[a-z]|[a-z][\d]+)$', re.I)
 number_fraction_regex = re.compile('^(?:[\d]+ )?(?:1[\s]*/[\s]*[234]|2[\s]*/[\s]*3)$')
 
 dutch_house_number_regex = re.compile('([\d]+)( [a-z])?( [\d]+)?', re.I)