diff --git a/src/utils/mrz.ts b/src/utils/mrz.ts
index ffd4e24a..d9e1dd49 100644
--- a/src/utils/mrz.ts
+++ b/src/utils/mrz.ts
@@ -19,7 +19,7 @@ const FIELD_LIST = {
     format: (value: string) => moment(value, 'YYMMDD').format('YYYY-MM-DD'),
   },
   expireDate: {
-    field: 'expireDate',
+    field: 'expire_date',
     format: (value: string) => moment(value, 'YYMMDD').format('YYYY-MM-DD'),
   },
 };
@@ -64,10 +64,10 @@ const MRZ_TD_2 = [
       `(?<doc_number>[0-9A-Z<]{9})`,
       `(?<doc_numbercheck>[0-9A-Z<]{1})`,
       `(?<nationality>[0-9A-Z<]{3})`,
-      `(?<birth_date>[0-9A-Z<]{6})`,
+      `(?<${FIELD_LIST.birthDate.field}>[0-9A-Z<]{6})`,
       `(?<birth_date_check>[0-9A-Z<]{1})`,
       `(?<sex>[mfMF]{1})`,
-      `(?<expire_date>[0-9A-Z<]{6})`,
+      `(?<${FIELD_LIST.expireDate.field}>[0-9A-Z<]{6})`,
       `(?<expire_date_check>[0-9A-Z<]{1})`,
       `(?<optional_data>[A-Z0-9<]{7})`,
       `(?<line_check>[0-9A-Z<]{1})`,