diff --git a/gfx/layers/client/TiledContentClient.cpp b/gfx/layers/client/TiledContentClient.cpp
index 6b84dffb4266..8a71b2de93ae 100644
--- a/gfx/layers/client/TiledContentClient.cpp
+++ b/gfx/layers/client/TiledContentClient.cpp
@@ -1168,7 +1168,7 @@ ClientTiledLayerBuffer::ValidateTile(TileClient aTile,
     } else {
       moz2DTile.mDrawTarget = dt;
     }
-    moz2DTile.mTileOrigin = gfx::IntPoint(aTileOrigin.x * mResolution, aTileOrigin.y * mResolution);
+    moz2DTile.mTileOrigin = gfx::IntPoint(aTileOrigin.x, aTileOrigin.y);
     if (!dt || (backBufferOnWhite && !dtOnWhite)) {
       aTile.DiscardFrontBuffer();
       aTile.DiscardBackBuffer();