diff --git a/runbot_merge/models/pull_requests.py b/runbot_merge/models/pull_requests.py
index ed2dfaad..b1d1ab43 100644
--- a/runbot_merge/models/pull_requests.py
+++ b/runbot_merge/models/pull_requests.py
@@ -1353,7 +1353,7 @@ class Tagging(models.Model):
     pull_request = fields.Integer()
 
     tags_remove = fields.Char(required=True, default='[]')
-    tags_add = fields.Char(required=True, defualt='[]')
+    tags_add = fields.Char(required=True, default='[]')
 
     def create(self, values):
         before = str(values)