--- a/gfx/layers/apz/src/AsyncPanZoomController.cpp
+++ b/gfx/layers/apz/src/AsyncPanZoomController.cpp
@@ -3961,17 +3961,19 @@ Maybe<CSSPoint> AsyncPanZoomController::
     return Some(scrollRange.ClampPoint(cssSnapPoint));
   }
   return Nothing();
 }
 
 void AsyncPanZoomController::ScrollSnapNear(const CSSPoint& aDestination) {
   if (Maybe<CSSPoint> snapPoint =
         FindSnapPointNear(aDestination, nsIScrollableFrame::DEVICE_PIXELS)) {
-    SmoothScrollTo(*snapPoint);
+    if (*snapPoint != mFrameMetrics.GetScrollOffset()) {
+      SmoothScrollTo(*snapPoint);
+    }
   }
 }
 
 void AsyncPanZoomController::ScrollSnap() {
   ReentrantMonitorAutoEnter lock(mMonitor);
   ScrollSnapNear(mFrameMetrics.GetScrollOffset());
 }