diff --git a/django-stubs/db/backends/base/operations.pyi b/django-stubs/db/backends/base/operations.pyi
index a1d8c7e2b..ac3a1981b 100644
--- a/django-stubs/db/backends/base/operations.pyi
+++ b/django-stubs/db/backends/base/operations.pyi
@@ -10,7 +10,7 @@ from django.db.backends.base.base import BaseDatabaseWrapper
 from django.db.backends.utils import CursorWrapper
 from django.db.models.base import Model
 from django.db.models.constants import OnConflict
-from django.db.models.expressions import Case, Expression
+from django.db.models.expressions import Case, Col, Expression
 from django.db.models.fields import Field
 from django.db.models.sql.compiler import SQLCompiler
 
@@ -111,3 +111,6 @@ class BaseDatabaseOperations:
         self, fields: Any, on_conflict: Any, update_fields: Any, unique_fields: Any
     ) -> str | Any: ...
     def format_for_duration_arithmetic(self, sql: str) -> str: ...
+    def prepare_join_on_clause(
+        self, lhs_table: str, lhs_field: Field, rhs_table: str, rhs_field: Field
+    ) -> tuple[Col, Col]: ...
diff --git a/scripts/stubtest/allowlist_todo_django50.txt b/scripts/stubtest/allowlist_todo_django50.txt
index b45576572..291e577cb 100644
--- a/scripts/stubtest/allowlist_todo_django50.txt
+++ b/scripts/stubtest/allowlist_todo_django50.txt
@@ -36,7 +36,6 @@ django.contrib.gis.management.commands
 django.contrib.gis.management.commands.inspectdb
 django.contrib.gis.management.commands.ogrinspect
 django.contrib.messages.test
-django.db.backends.base.operations.BaseDatabaseOperations.prepare_join_on_clause
 django.db.backends.mysql.features.DatabaseFeatures.allows_group_by_selected_pks
 django.db.backends.mysql.features.DatabaseFeatures.has_native_uuid_field
 django.db.backends.mysql.features.DatabaseFeatures.supports_expression_defaults
@@ -45,7 +44,6 @@ django.db.backends.oracle.features.DatabaseFeatures.test_collations
 django.db.backends.oracle.oracledb_any
 django.db.backends.postgresql.features.DatabaseFeatures.is_postgresql_15
 django.db.backends.postgresql.features.DatabaseFeatures.supports_nulls_distinct_unique_constraints
-django.db.backends.postgresql.operations.DatabaseOperations.prepare_join_on_clause
 django.db.backends.postgresql.psycopg_any
 django.db.backends.sqlite3.schema.DatabaseSchemaEditor.sql_alter_column_comment
 django.db.backends.sqlite3.schema.DatabaseSchemaEditor.sql_alter_table_comment