diff --git a/components/compositing/compositor.rs b/components/compositing/compositor.rs
index 60b64a03047..653fb219447 100644
--- a/components/compositing/compositor.rs
+++ b/components/compositing/compositor.rs
@@ -1786,12 +1786,15 @@ impl<Window: WindowMethods> IOCompositor<Window> {
     fn tick_animations_for_pipeline(&mut self, pipeline_id: PipelineId) {
         self.schedule_delayed_composite_if_necessary();
         let animation_callbacks_running = self.pipeline_details(pipeline_id).animation_callbacks_running;
-        let animation_type = if animation_callbacks_running {
-            AnimationTickType::Script
-        } else {
-            AnimationTickType::Layout
-        };
-        let msg = ConstellationMsg::TickAnimation(pipeline_id, animation_type);
+        if animation_callbacks_running {
+            let msg = ConstellationMsg::TickAnimation(pipeline_id, AnimationTickType::Script);
+            if let Err(e) = self.constellation_chan.send(msg) {
+                warn!("Sending tick to constellation failed ({}).", e);
+            }
+        }
+
+        // We still need to tick layout unfortunately, see things like #12749.
+        let msg = ConstellationMsg::TickAnimation(pipeline_id, AnimationTickType::Layout);
         if let Err(e) = self.constellation_chan.send(msg) {
             warn!("Sending tick to constellation failed ({}).", e);
         }