1 files changed, 5 insertions, 0 deletions
diff --git a/components/script/task_manager.rs b/components/script/task_manager.rs
index 75a9bb8330e..2d4463e0c38 100644
--- a/components/script/task_manager.rs
+++ b/components/script/task_manager.rs
@@ -146,4 +146,9 @@ impl TaskManager {
     task_source_functions!(self, timer_task_source, Timer);
     task_source_functions!(self, user_interaction_task_source, UserInteraction);
     task_source_functions!(self, websocket_task_source, WebSocket);
+    task_source_functions!(
+        self,
+        intersection_observer_task_source,
+        IntersectionObserver
+    );
 }