diff --git a/tortoise/backends/psycopg/client.py b/tortoise/backends/psycopg/client.py
index 75f204967..8e622ff1b 100644
--- a/tortoise/backends/psycopg/client.py
+++ b/tortoise/backends/psycopg/client.py
@@ -85,7 +85,9 @@ async def create_connection(self, with_db: bool) -> None:
             )
 
     async def create_pool(self, **kwargs) -> AsyncConnectionPool:
-        return AsyncConnectionPool(**kwargs)
+        pool = AsyncConnectionPool(open=False, **kwargs)
+        await pool.open()
+        return pool
 
     async def db_delete(self) -> None:
         try: