diff --git a/layout/generic/ScrollAnchorContainer.cpp b/layout/generic/ScrollAnchorContainer.cpp
index a62318c475b5..73ab05205832 100644
--- a/layout/generic/ScrollAnchorContainer.cpp
+++ b/layout/generic/ScrollAnchorContainer.cpp
@@ -345,15 +345,13 @@ void ScrollAnchorContainer::ApplyAdjustments() {
       break;
     }
   }
-  nsIntPoint physicalDevicePixels = physicalAdjustment.ToNearestPixels(
-      Frame()->PresContext()->AppUnitsPerDevPixel());
 
   MOZ_ASSERT(!mApplyingAnchorAdjustment);
   // We should use AutoRestore here, but that doesn't work with bitfields
   mApplyingAnchorAdjustment = true;
-  mScrollFrame->ScrollBy(
-      physicalDevicePixels, nsIScrollableFrame::DEVICE_PIXELS,
-      nsIScrollableFrame::INSTANT, nullptr, nsGkAtoms::relative);
+  mScrollFrame->ScrollTo(
+      mScrollFrame->GetScrollPosition() + physicalAdjustment,
+      nsIScrollableFrame::INSTANT, nsGkAtoms::relative);
   mApplyingAnchorAdjustment = false;
 
   nsPresContext* pc = Frame()->PresContext();