diff --git a/addons/queue_job/migrations/16.0.2.6.1/pre-migration.py b/addons/queue_job/migrations/16.0.2.6.1/pre-migration.py
new file mode 100644
index 0000000..53d9690
--- /dev/null
+++ b/addons/queue_job/migrations/16.0.2.6.1/pre-migration.py
@@ -0,0 +1,10 @@
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html)
+
+from odoo.tools.sql import table_exists
+
+
+def migrate(cr, version):
+    if table_exists(cr, "queue_job"):
+        # Drop index 'queue_job_identity_key_state_partial_index',
+        # it will be recreated during the update
+        cr.execute("DROP INDEX IF EXISTS queue_job_identity_key_state_partial_index;")