diff --git a/src/off_topic/internal/runtime.gleam b/src/off_topic/internal/runtime.gleam
index d0d8d69..99831d0 100644
--- a/src/off_topic/internal/runtime.gleam
+++ b/src/off_topic/internal/runtime.gleam
@@ -767,7 +767,7 @@ fn cleanup(state, path, effects) {
           #("name", json.string(name)),
           #("path", json.array(list.reverse(path), json.int)),
         ])
-      [event.emit("off-topic-unsubscribe", details), ..effects]
+      [event.emit("off-topic:unsubscribe", details), ..effects]
     }
     Group(children) -> fold_children(children, 0, path, effects, cleanup)
   }