diff --git a/redshift_connector/core.py b/redshift_connector/core.py
index 36d15b8..ba1a4c5 100644
--- a/redshift_connector/core.py
+++ b/redshift_connector/core.py
@@ -658,10 +658,7 @@ def get_calling_module() -> str:
                 self._usock.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
         except socket.error as e:
             self._usock.close()
-            if socket.timeout:
-                raise OperationalError("connection time out", e)
-            else:
-                raise InterfaceError("communication error", e)
+            raise InterfaceError("communication error", e)
         self._flush: typing.Callable = self._sock.flush
         self._read: typing.Callable = self._sock.read
         self._write: typing.Callable = self._sock.write