diff --git a/vot/experiment/__init__.py b/vot/experiment/__init__.py
index 0d194d5..a6bbf1a 100644
--- a/vot/experiment/__init__.py
+++ b/vot/experiment/__init__.py
@@ -105,7 +105,8 @@ def _get_runtime(self, tracker: "Tracker", sequence: "Sequence", multiobject=Fal
 
         if multiobject:
             if not runtime.multiobject:
-                runtime = MultiObjectTrackerRuntime(runtime)
+                raise TrackerException("Tracker {} does not support multi-object experiments".format(tracker.identifier))
+                #runtime = MultiObjectTrackerRuntime(runtime)
         else:
             runtime = SingleObjectTrackerRuntime(runtime)
 
diff --git a/vot/tracker/__init__.py b/vot/tracker/__init__.py
index 49ec109..56b1a77 100644
--- a/vot/tracker/__init__.py
+++ b/vot/tracker/__init__.py
@@ -548,6 +548,7 @@ def update(self, frame: Frame, new: Objects = None, properties: dict = None) ->
         return status
 
 class MultiObjectTrackerRuntime(TrackerRuntime):
+    """ This is a wrapper for tracker runtimes that do not support multi object tracking. It is still work in progress."""
 
     def __init__(self, runtime: TrackerRuntime):
         super().__init__(runtime.tracker)