diff --git a/addons/base_action_rule/base_action_rule.py b/addons/base_action_rule/base_action_rule.py
index cb2239f76a7..2328bf94cfd 100644
--- a/addons/base_action_rule/base_action_rule.py
+++ b/addons/base_action_rule/base_action_rule.py
@@ -111,7 +111,7 @@ trigger date, like sending a reminder 15 minutes before a meeting."),
         # Searching for action rules
         cr.execute("SELECT model.model, rule.id  FROM base_action_rule rule \
                         LEFT JOIN ir_model model on (model.id = rule.model_id) \
-                        WHERE active and model = %%s", model)
+                        WHERE active and model = %s", (model,))
         res = cr.fetchall()
         # Check if any rule matching with current object
         for obj_name, rule_id in res: