diff --git a/tests/_utils/setup.sql b/tests/_utils/setup.sql
index 8ff9f2cc3179..57e48d01ed4b 100644
--- a/tests/_utils/setup.sql
+++ b/tests/_utils/setup.sql
@@ -409,3 +409,13 @@ CREATE TABLE `serializers_m2mintermediatedata_anchor` (
   KEY (`m2mintermediatedata_id`),
   KEY (`anchor_id`)
 );
+
+--update_only_fields
+CREATE TABLE `update_only_fields_employee_account` (
+  `employee_id` BIGINT NOT NULL,
+  `account_id` BIGINT NOT NULL,
+  SHARD KEY (`employee_id`),
+  UNIQUE KEY (`employee_id`, `account_id`),
+  KEY (`employee_id`),
+  KEY (`account_id`)
+);
\ No newline at end of file
diff --git a/tests/update_only_fields/models.py b/tests/update_only_fields/models.py
index 4810d5b19169..36ffc89912ea 100644
--- a/tests/update_only_fields/models.py
+++ b/tests/update_only_fields/models.py
@@ -20,9 +20,17 @@ class Employee(Person):
     profile = models.ForeignKey(
         "Profile", models.SET_NULL, related_name="profiles", null=True
     )
-    accounts = models.ManyToManyField("Account", related_name="employees", blank=True)
+    accounts = models.ManyToManyField("Account", related_name="employees", blank=True, through="EmployeeAccount")
 
 
+class EmployeeAccount(models.Model):
+    employee = models.ForeignKey(Employee, on_delete=models.CASCADE)
+    account = models.ForeignKey(Account, on_delete=models.CASCADE)
+
+    class Meta:
+        unique_together = (('employee', 'account'),)
+        db_table = "update_only_fields_employee_account"
+
 class NonConcreteField(models.IntegerField):
     def db_type(self, connection):
         return None