diff --git a/lmwsip/run.py b/lmwsip/run.py
index 3f79295..c608d0d 100755
--- a/lmwsip/run.py
+++ b/lmwsip/run.py
@@ -11,6 +11,7 @@ def run(args):
     try:
         lmwsip = LmwSip(host=args.host, port=args.port,
                         ssl=not args.unencrypted,
+                        check_ssl=not args.acceptssl,
                         cleartelnet=args.cleartelnet)
     except Exception as e:
         print("Connect to lmw failed: %s" % e)
@@ -36,6 +37,8 @@ def main():
     parser = argparse.ArgumentParser(description="Run a sip file.")
     parser.add_argument("-u", "--unencrypted", action="store_true",
                         help="Run a sip connection without ssl")
+    parser.add_argument("-a", "--acceptssl", action="store_true",
+                        help="Accept ssl certificate")
     parser.add_argument("-c", "--cleartelnet", action="store_true",
                         help="Clear telnet protocol in tcp session")
     parser.add_argument("-H", "--host", action='store',