diff --git a/tests/schema/tests.py b/tests/schema/tests.py
index de339132bc..d49c291263 100644
--- a/tests/schema/tests.py
+++ b/tests/schema/tests.py
@@ -674,8 +674,11 @@ class SchemaTests(TransactionTestCase):
         with connection.schema_editor() as editor:
             editor.create_model(Author)
             editor.create_model(BookWithLongName)
-        # Ensure the table is there and has the right index
+        # Find the properly shortened column name
+        column_name = connection.ops.quote_name("author_foreign_key_with_really_long_field_name_id")
+        column_name = column_name[1:-1].lower() # unquote, and, for Oracle, un-upcase
+        # Ensure the table is there and has an index on the column
         self.assertIn(
-            "author_foreign_key_with_really_long_field_name_id",
+            column_name,
             connection.introspection.get_indexes(connection.cursor(), BookWithLongName._meta.db_table),
         )