diff --git a/psycopg2_pool/__init__.py b/psycopg2_pool/__init__.py
index c2a56ba..a49853c 100644
--- a/psycopg2_pool/__init__.py
+++ b/psycopg2_pool/__init__.py
@@ -92,7 +92,7 @@ def __init__(self, minconn=1, maxconn=float('inf'), idle_timeout=600, **connect_
     def _connect(self, for_immediate_use=False):
         """Open a new connection.
         """
-        conn = psycopg2._connect(**self.connect_kwargs)
+        conn = psycopg2.connect(**self.connect_kwargs)
         if for_immediate_use:
             self.connections_in_use.add(conn)
         else: