diff --git a/src/utils/mrz.ts b/src/utils/mrz.ts
index c005fa8e..43c47d96 100644
--- a/src/utils/mrz.ts
+++ b/src/utils/mrz.ts
@@ -27,7 +27,11 @@ const DEFAULT_FIELD = {
     field: 'nationality',
     format: (value, _) => value.replace(/0/, 'O'),
   },
-  gender: { field: 'sex' },
+  gender: {
+    field: 'sex',
+
+    format: (value, _) => (value === 'M' ? 'male' : 'female'),
+  },
   birthDate: {
     field: 'birth_date',
     format: (value, _) => moment(value, 'YYMMDD').format('YYYY-MM-DD'),