diff --git a/pytec/pytec/aioclient.py b/pytec/pytec/aioclient.py
index 77b84a7..6248dac 100644
--- a/pytec/pytec/aioclient.py
+++ b/pytec/pytec/aioclient.py
@@ -11,6 +11,7 @@ class Client:
         self._writer = None
         self._connecting_task = None
         self._command_lock = asyncio.Lock()
+        self._report_mode_on = False
 
     async def connect(self, host='192.168.1.26', port=23, timeout=None):
         """Connect to the TEC with host and port, throws TimeoutError if
@@ -167,9 +168,11 @@ class Client:
              'pid_output': 2.067581958092247}
         """
         await self._command("report mode", "on")
+        self._report_mode_on = True
 
-        while True:
-            line = await self._read_line()
+        while self._report_mode_on:
+            async with self._command_lock:
+                line = await self._read_line()
             if not line:
                 break
             try:
@@ -177,6 +180,11 @@ class Client:
             except json.decoder.JSONDecodeError:
                 pass
 
+        await self._command("report mode", "off")
+
+    def stop_report_mode(self):
+        self._report_mode_on = False
+
     async def set_param(self, topic, channel, field="", value=""):
         """Set configuration parameters
 
diff --git a/pytec/tec_qt.py b/pytec/tec_qt.py
index 08dc007..7f566ea 100644
--- a/pytec/tec_qt.py
+++ b/pytec/tec_qt.py
@@ -95,6 +95,7 @@ class ClientWatcher(QObject):
         self.update_s = update_s
         self.client = client
         self.watch_task = None
+        self.poll_for_report = True
         super().__init__(parent)
 
     async def run(self):
@@ -107,7 +108,8 @@ class ClientWatcher(QObject):
     async def update_params(self):
         self.fan_update.emit(await self.client.fan())
         self.pwm_update.emit(await self.client.get_pwm())
-        self.report_update.emit(await self.client._command("report"))
+        if self.poll_for_report:
+            self.report_update.emit(await self.client._command("report"))
         self.pid_update.emit(await self.client.get_pid())
         self.thermistor_update.emit(await self.client.get_steinhart_hart())
         self.postfilter_update.emit(await self.client.get_postfilter())
@@ -124,6 +126,9 @@ class ClientWatcher(QObject):
             self.watch_task.cancel()
             self.watch_task = None
 
+    def set_report_polling(self, enabled: bool):
+        self.poll_for_report = enabled
+
     @pyqtSlot(float)
     def set_update_s(self, update_s):
         self.update_s = update_s
@@ -175,6 +180,8 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
             lambda: self.client_watcher.set_update_s(self.report_refresh_spin.value())
         )
 
+        self.report_mode_task = None
+
         if args.connect:
             if args.IP:
                 self.ip_set_line.setText(args.IP)
@@ -265,6 +272,8 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
             self.fan_pwm_warning.setPixmap(QtGui.QPixmap())
             self.fan_pwm_warning.setToolTip("")
             self.clear_graphs()
+            self.report_box.setChecked(False)
+            await self.stop_report_mode()
             self.client_watcher.stop_watching()
 
     def _set_fan_pwm_warning(self):
@@ -316,8 +325,29 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
         else:
             await self.tec_client.set_param("fan", self.fan_power_slider.value())
 
+    @asyncSlot(int)
+    async def on_report_box_stateChanged(self, enabled):
+        self.client_watcher.set_report_polling(not enabled)
+        if enabled:
+            self.report_mode_task = asyncio.create_task(self.report_mode())
+        else:
+            self.tec_client.stop_report_mode()
+            await self.report_mode_task
+            self.report_mode_task = None
+
+    async def report_mode(self):
+        async for report in self.tec_client.report_mode():
+            self.client_watcher.report_update.emit(report)
+
+    async def stop_report_mode(self):
+        if self.report_mode_task is not None:
+            self.tec_client.stop_report_mode()
+            await self.report_mode_task
+            self.report_mode_task = None
+
     @asyncClose
     async def closeEvent(self, event):
+        await self.stop_report_mode()
         self.client_watcher.stop_watching()
         await self.tec_client.disconnect()