diff --git a/labgrid/remote/exporter.py b/labgrid/remote/exporter.py
index 5018206c6..dde83bb7a 100755
--- a/labgrid/remote/exporter.py
+++ b/labgrid/remote/exporter.py
@@ -248,7 +248,7 @@ def _start(self, start_params):
                 "-d",
                 "-n",
                 "-Y",
-                f"connection: &con01#  accepter: telnet(rfc2217,mode=server),{self.port}",
+                f"connection: &con01#  accepter: telnet(rfc2217,mode=server),tcp,{self.port}",
                 "-Y",
                 f'  connector: serialdev(nouucplock=true),{start_params["path"]},{self.local.speed}n81,local',  # pylint: disable=line-too-long
                 "-Y",