--- a/layout/generic/nsGfxScrollFrame.cpp
+++ b/layout/generic/nsGfxScrollFrame.cpp
@@ -5232,17 +5232,17 @@ ScrollFrameHelper::ReflowFinished()
 
   nsAutoScriptBlocker scriptBlocker;
   ScrollToRestoredPosition();
 
   // Clamp current scroll position to new bounds. Normally this won't
   // do anything.
   nsPoint currentScrollPos = GetScrollPosition();
   ScrollToImpl(currentScrollPos, nsRect(currentScrollPos, nsSize(0, 0)));
-  if (!mAsyncScroll && !mAsyncSmoothMSDScroll) {
+  if (!mAsyncScroll && !mAsyncSmoothMSDScroll && !mApzSmoothScrollDestination) {
     // We need to have mDestination track the current scroll position,
     // in case it falls outside the new reflow area. mDestination is used
     // by ScrollBy as its starting position.
     mDestination = GetScrollPosition();
   }
 
   if (!mUpdateScrollbarAttributes) {
     return false;