diff --git a/redbot/cogs/trivia/trivia.py b/redbot/cogs/trivia/trivia.py
index 52671fcfe..d3fa819db 100644
--- a/redbot/cogs/trivia/trivia.py
+++ b/redbot/cogs/trivia/trivia.py
@@ -321,6 +321,9 @@ class Trivia(commands.Cog):
     async def trivia_stop(self, ctx: commands.Context):
         """Stop an ongoing trivia session."""
         session = self._get_trivia_session(ctx.channel)
+        if session is None:
+            await ctx.send(_("There is no ongoing trivia session in this channel."))
+            return
         await session.end_game()
         session.force_stop()
         await ctx.send(_("Trivia stopped."))