diff --git a/eventtracking/backends/event_bus.py b/eventtracking/backends/event_bus.py
index 4b1b1c0..97b41d3 100644
--- a/eventtracking/backends/event_bus.py
+++ b/eventtracking/backends/event_bus.py
@@ -9,6 +9,7 @@
 from openedx_events.analytics.signals import TRACKING_EVENT_EMITTED
 from openedx_events.event_bus import get_producer
 
+from eventtracking.backends.logger import DateTimeJSONEncoder
 from eventtracking.backends.routing import RoutingBackend
 from eventtracking.config import SEND_TRACKING_EVENT_EMITTED_SIGNAL
 
@@ -33,8 +34,8 @@ def send(self, event):
         if name not in getattr(settings, "EVENT_BUS_TRACKING_LOGS", []):
             return
 
-        data = json.dumps(event.get("data"))
-        context = json.dumps(event.get("context"))
+        data = json.dumps(event.get("data"), cls=DateTimeJSONEncoder)
+        context = json.dumps(event.get("context"), cls=DateTimeJSONEncoder)
 
         timestamp = event.get("timestamp")