diff --git a/src/libpostal.h b/src/libpostal.h
index e8fe69b6..e85db04e 100644
--- a/src/libpostal.h
+++ b/src/libpostal.h
@@ -57,6 +57,30 @@ typedef struct normalize_options {
 
 } normalize_options_t;
 
+static normalize_options_t LIBPOSTAL_DEFAULT_OPTIONS = {
+        .num_languages = 1,
+        .languages = NULL,
+        .address_components = ADDRESS_HOUSE_NUMBER | ADDRESS_STREET | ADDRESS_UNIT,
+        .latin_ascii = 1,
+        .transliterate = 1,
+        .strip_accents = 1,
+        .decompose = 1,
+        .lowercase = 1,
+        .trim_string = 1,
+        .replace_word_hyphens = 1,
+        .delete_word_hyphens = 1,
+        .replace_numeric_hyphens = 0,
+        .delete_numeric_hyphens = 0,
+        .split_alpha_from_numeric = 1,
+        .delete_final_periods = 1,
+        .delete_acronym_periods = 1,
+        .drop_english_possessives = 1,
+        .delete_apostrophes = 1,
+        .expand_numex = 1,
+        .roman_numerals = 1
+};
+
+
 char **expand_address(char *input, normalize_options_t options, uint64_t *n);
 
 bool libpostal_setup(void);
diff --git a/src/main.c b/src/main.c
index d4b4ce6b..d04bdf0a 100644
--- a/src/main.c
+++ b/src/main.c
@@ -25,28 +25,8 @@ int main(int argc, char **argv) {
         exit(EXIT_FAILURE);
     }
 
-    normalize_options_t options = {
-        .num_languages = 1,
-        .languages = languages,
-        .address_components = ADDRESS_HOUSE_NUMBER | ADDRESS_STREET | ADDRESS_UNIT,
-        .latin_ascii = 1,
-        .transliterate = 1,
-        .strip_accents = 1,
-        .decompose = 1,
-        .lowercase = 1,
-        .trim_string = 1,
-        .replace_word_hyphens = 1,
-        .delete_word_hyphens = 1,
-        .replace_numeric_hyphens = 0,
-        .delete_numeric_hyphens = 0,
-        .split_alpha_from_numeric = 1,
-        .delete_final_periods = 1,
-        .delete_acronym_periods = 1,
-        .drop_english_possessives = 1,
-        .delete_apostrophes = 1,
-        .expand_numex = 1,
-        .roman_numerals = 1
-    };
+    normalize_options_t options = LIBPOSTAL_DEFAULT_OPTIONS;
+    options.languages = languages;
 
     uint64_t num_expansions;