diff --git a/lib/active_record/connection_adapters/clickhouse/schema_creation.rb b/lib/active_record/connection_adapters/clickhouse/schema_creation.rb
index 95788792..428486e1 100644
--- a/lib/active_record/connection_adapters/clickhouse/schema_creation.rb
+++ b/lib/active_record/connection_adapters/clickhouse/schema_creation.rb
@@ -67,7 +67,7 @@ def assign_database_to_subquery!(subquery)
           # If you do not specify a database explicitly, ClickHouse will use the "default" database.
           return unless subquery
 
-          match = subquery.match(/(?<=from)[^.\w]+(?<database>\w+(?=\.))?(?<table_name>[.\w]+)/i)
+          match = subquery.match(/(?<=from)[^.\w(]+(?<database>\w+(?=\.))?(?<table_name>[.\w]+)/i)
           return unless match
           return if match[:database]