diff --git a/plugins/dbms/mssqlserver/connector.py b/plugins/dbms/mssqlserver/connector.py
index c859f9632..7eb0a82bb 100644
--- a/plugins/dbms/mssqlserver/connector.py
+++ b/plugins/dbms/mssqlserver/connector.py
@@ -41,7 +41,7 @@ class Connector(GenericConnector):
 
         try:
             self.connector = pymssql.connect(host="%s:%d" % (self.hostname, self.port), user=self.user, password=self.password, database=self.db, login_timeout=conf.timeout, timeout=conf.timeout)
-        except pymssql.OperationalError, msg:
+        except (pymssql.InterfaceError, pymssql.OperationalError), msg:
             raise SqlmapConnectionException(msg)
 
         self.initCursor()