1 files changed, 7 insertions, 5 deletions
diff --git a/components/script/dom/document.rs b/components/script/dom/document.rs
index b6e1ce8bde0..9edc7bb9c35 100644
--- a/components/script/dom/document.rs
+++ b/components/script/dom/document.rs
@@ -1199,11 +1199,6 @@ impl Document {
         {
             let mut list = self.animation_frame_list.borrow_mut();
             animation_frame_list = Vec::from_iter(list.drain());
-
-            let ConstellationChan(ref chan) = self.window.constellation_chan();
-            let event = ConstellationMsg::ChangeRunningAnimationsState(self.window.pipeline(),
-                                                                       AnimationState::NoAnimationCallbacksPresent);
-            chan.send(event).unwrap();
         }
         let performance = self.window.Performance();
         let performance = performance.r();
@@ -1213,6 +1208,13 @@ impl Document {
             callback(*timing);
         }
 
+        if self.animation_frame_list.borrow().is_empty() {
+            let ConstellationChan(ref chan) = self.window.constellation_chan();
+            let event = ConstellationMsg::ChangeRunningAnimationsState(self.window.pipeline(),
+                                                                       AnimationState::NoAnimationCallbacksPresent);
+            chan.send(event).unwrap();
+        }
+
         self.window.reflow(ReflowGoal::ForDisplay,
                            ReflowQueryType::NoQuery,
                            ReflowReason::RequestAnimationFrame);