diff --git a/src/Platforms/MySQL/MySQLMetadataProvider.php b/src/Platforms/MySQL/MySQLMetadataProvider.php
index 7720164bd14..10e50734b1d 100644
--- a/src/Platforms/MySQL/MySQLMetadataProvider.php
+++ b/src/Platforms/MySQL/MySQLMetadataProvider.php
@@ -394,6 +394,7 @@ private function getIndexColumns(?string $tableName): iterable
             WHERE %s
               AND INDEX_NAME != 'PRIMARY'
             ORDER BY TABLE_NAME,
+                INDEX_NAME,
                 SEQ_IN_INDEX
             SQL,
             implode(' AND ', $conditions),
diff --git a/src/Schema/MySQLSchemaManager.php b/src/Schema/MySQLSchemaManager.php
index 78359c87797..c8489389ba4 100644
--- a/src/Schema/MySQLSchemaManager.php
+++ b/src/Schema/MySQLSchemaManager.php
@@ -428,6 +428,7 @@ protected function selectIndexColumns(string $databaseName, ?string $tableName =
 FROM information_schema.STATISTICS
 WHERE %s
 ORDER BY TABLE_NAME,
+         INDEX_NAME,
          SEQ_IN_INDEX
 SQL,
             implode(' AND ', $conditions),