diff --git a/lib/models/fields.js b/lib/models/fields.js
index 4ced1a58..33863bf9 100644
--- a/lib/models/fields.js
+++ b/lib/models/fields.js
@@ -343,7 +343,7 @@ function addCustomField(listId, name, defaultValue, type, group, groupTemplate,
                         break;
                     default:
                         connection.release();
-                        return callback(null, fieldId);
+                        return callback(null, fieldId, key);
                 }
 
                 connection.query(query, err => {
@@ -352,7 +352,7 @@ function addCustomField(listId, name, defaultValue, type, group, groupTemplate,
                         return callback(err);
                     }
                     connection.release();
-                    return callback(null, fieldId);
+                    return callback(null, fieldId, key);
                 });
             });
         });
diff --git a/routes/api.js b/routes/api.js
index 39bddcbb..7bfd243d 100644
--- a/routes/api.js
+++ b/routes/api.js
@@ -307,7 +307,7 @@ router.post('/field/:listId', (req, res) => {
             visible: !['false', 'no', '0', ''].includes((input.VISIBLE || '').toString().toLowerCase().trim())
         };
 
-        fields.create(list.id, field, (err, id) => {
+        fields.create(list.id, field, (err, id, tag) => {
             if (err) {
                 res.status(500);
                 return res.json({
@@ -318,7 +318,8 @@ router.post('/field/:listId', (req, res) => {
             res.status(200);
             res.json({
                 data: {
-                    id
+                    id,
+                    tag
                 }
             });
         });