diff --git a/scripts/geodata/address_expansions/gazetteers.py b/scripts/geodata/address_expansions/gazetteers.py
index 7932d116..daa1d8bd 100644
--- a/scripts/geodata/address_expansions/gazetteers.py
+++ b/scripts/geodata/address_expansions/gazetteers.py
@@ -134,6 +134,8 @@ STREET_TYPES_DICTIONARIES = ('street_types',
 GIVEN_NAME_DICTIONARY = 'given_names'
 SURNAME_DICTIONARY = 'surnames'
 
+CHAIN_DICTIONARY = 'chains'
+
 NAME_DICTIONARIES = (GIVEN_NAME_DICTIONARY,
                      SURNAME_DICTIONARY,)
 
@@ -181,6 +183,7 @@ def create_gazetteer(*dictionaries):
 
 street_types_gazetteer = create_gazetteer(*STREET_TYPES_DICTIONARIES)
 names_gazetteer = create_gazetteer(*NAME_ABBREVIATION_DICTIONARIES)
+chains_gazetteer = create_gazetteer(CHAIN_DICTIONARY)
 unit_types_gazetteer = create_gazetteer(*UNIT_ABBREVIATION_DICTIONARIES)
 street_and_unit_types_gazetteer = create_gazetteer(*(STREET_TYPES_DICTIONARIES + UNIT_ABBREVIATION_DICTIONARIES))
 abbreviations_gazetteer = create_gazetteer(*ALL_ABBREVIATION_DICTIONARIES)