diff --git a/addons/hw_drivers/controllers/driver.py b/addons/hw_drivers/controllers/driver.py
index 0304f02a750..7d2896802d1 100755
--- a/addons/hw_drivers/controllers/driver.py
+++ b/addons/hw_drivers/controllers/driver.py
@@ -342,15 +342,17 @@ class Manager(Thread):
         x_screen = 0
         for match in finditer('Display Number (\d), type HDMI (\d)', displays):
             display_id, hdmi_id = match.groups()
-            display_name = subprocess.check_output(['tvservice', '-nv', display_id]).decode().rstrip().split('=')[1]
-            display_identifier = sub('[^a-zA-Z0-9 ]+', '', display_name).replace(' ', '_') + "_" + str(hdmi_id)
-            iot_device = IoTDevice({
-                'identifier': display_identifier,
-                'name': display_name,
-                'x_screen': str(x_screen),
-            }, 'display')
-            display_devices[display_identifier] = iot_device
-            x_screen += 1
+            tvservice_output = subprocess.check_output(['tvservice', '-nv', display_id]).decode().rstrip()
+            if tvservice_output:
+                display_name = tvservice_output.split('=')[1]
+                display_identifier = sub('[^a-zA-Z0-9 ]+', '', display_name).replace(' ', '_') + "_" + str(hdmi_id)
+                iot_device = IoTDevice({
+                    'identifier': display_identifier,
+                    'name': display_name,
+                    'x_screen': str(x_screen),
+                }, 'display')
+                display_devices[display_identifier] = iot_device
+                x_screen += 1
 
         if not len(display_devices):
             # No display connected, create "fake" device to be accessed from another computer