diff --git a/frappe/database/mariadb/database.py b/frappe/database/mariadb/database.py
index 34233d7724..1df9877eb1 100644
--- a/frappe/database/mariadb/database.py
+++ b/frappe/database/mariadb/database.py
@@ -301,6 +301,7 @@ class MariaDBDatabase(MariaDBConnectionUtil, MariaDBExceptionUtil, Database):
 				where table_name="{table_name}"
 					and column_name=columns.column_name
 					and NON_UNIQUE=1
+					and Seq_in_index = 1
 					limit 1
 			), 0) as 'index',
 			column_key = 'UNI' as 'unique'