--- a/gfx/layers/apz/src/APZCTreeManager.cpp
+++ b/gfx/layers/apz/src/APZCTreeManager.cpp
@@ -3186,28 +3186,25 @@ APZCTreeManager::ComputeTransformForScro
   // and then unapplying it after unapplying the async transform.
   if (aScrollbarIsDescendant) {
     AsyncTransformComponentMatrix overscroll =
         aApzc->GetOverscrollTransform(AsyncPanZoomController::eForCompositing);
     Matrix4x4 asyncUntransform = (asyncTransform * overscroll).Inverse().ToUnknownMatrix();
     const Matrix4x4& contentTransform = aScrollableContentTransform;
     Matrix4x4 contentUntransform = contentTransform.Inverse();
 
-    AsyncTransformComponentMatrix asyncCompensation =
-        ViewAs<AsyncTransformComponentMatrix>(
-            contentTransform
-          * asyncUntransform
-          * contentUntransform);
-
-    compensation = compensation * asyncCompensation;
-
-    // Pass the async compensation out to the caller so that it can use it
+    compensation *= ViewAs<AsyncTransformComponentMatrix>(
+                        contentTransform
+                      * asyncUntransform
+                      * contentUntransform);
+
+    // Pass the total compensation out to the caller so that it can use it
     // to transform clip transforms as needed.
     if (aOutClipTransform) {
-      *aOutClipTransform = asyncCompensation;
+      *aOutClipTransform = compensation;
     }
   }
   transform = transform * compensation;
 
   return transform;
 }
 
 APZSampler*