diff --git a/frigate/ptz/onvif.py b/frigate/ptz/onvif.py
index 9f5446761..8aae216f1 100644
--- a/frigate/ptz/onvif.py
+++ b/frigate/ptz/onvif.py
@@ -69,6 +69,7 @@ class OnvifController:
         media = onvif.create_media_service()
 
         try:
+            # this will fire an exception if camera is not a ptz
             capabilities = onvif.get_definition("ptz")
             logger.debug(f"Onvif capabilities for {camera_name}: {capabilities}")
             profile = media.GetProfiles()[0]