diff --git a/pytec/tec_qt.py b/pytec/tec_qt.py
index 58ea46f..06320b0 100755
--- a/pytec/tec_qt.py
+++ b/pytec/tec_qt.py
@@ -239,17 +239,14 @@ class MainWindow(QtWidgets.QMainWindow):
             self.conn_menu.port_set_spin.setEnabled(False)
 
             self._connecting_task = asyncio.create_task(
-                asyncio.wait_for(
-                    self.thermostat.start_session(
-                        host=self.conn_menu.host_set_line.text(),
-                        port=self.conn_menu.port_set_spin.value(),
-                    ),
-                    timeout=5,
+                self.thermostat.start_session(
+                    host=self.conn_menu.host_set_line.text(),
+                    port=self.conn_menu.port_set_spin.value(),
                 )
             )
             try:
                 await self._connecting_task
-            except (OSError, asyncio.TimeoutError, asyncio.CancelledError) as exc:
+            except (OSError, asyncio.CancelledError) as exc:
                 await self.bail()
                 if isinstance(exc, asyncio.CancelledError):
                     return