diff --git a/src/python/nio_callbacks.py b/src/python/nio_callbacks.py
index a9b1f16d..58919991 100644
--- a/src/python/nio_callbacks.py
+++ b/src/python/nio_callbacks.py
@@ -337,10 +337,20 @@ class NioCallbacks:
 
 
     async def onUnknownBadEvent(self, room, ev) -> None:
+        co = "%1 sent a malformed event lacking the minimal structure."
+        await self.client.register_nio_event(room, ev, content=co)
+
+
+    async def onUnknownEvent(self, room, ev) -> None:
         co = "%1 sent an event this client doesn't understand."
         await self.client.register_nio_event(room, ev, content=co)
 
 
+    async def onUnknownEncryptedEvent(self, room, ev) -> None:
+        co = "%1 sent an event this client doesn't know how to decrypt."
+        await self.client.register_nio_event(room, ev, content=co)
+
+
     # Callbacks for nio invite events
 
     async def onInviteEvent(self, room, ev) -> None: