--- a/layout/base/nsLayoutUtils.cpp
+++ b/layout/base/nsLayoutUtils.cpp
@@ -3623,17 +3623,17 @@ ComputeSnappedImageDrawingParameters(gfx
                                      int32_t         aAppUnitsPerDevPixel,
                                      const nsRect    aDest,
                                      const nsRect    aFill,
                                      const nsPoint   aAnchor,
                                      const nsRect    aDirty,
                                      const nsIntSize aImageSize)
 
 {
-  if (aDest.IsEmpty() || aFill.IsEmpty())
+  if (aDest.IsEmpty() || aFill.IsEmpty() || !aImageSize.width || !aImageSize.height)
     return SnappedImageDrawingParameters();
 
   gfxRect devPixelDest =
     nsLayoutUtils::RectToGfxRect(aDest, aAppUnitsPerDevPixel);
   gfxRect devPixelFill =
     nsLayoutUtils::RectToGfxRect(aFill, aAppUnitsPerDevPixel);
   gfxRect devPixelDirty =
     nsLayoutUtils::RectToGfxRect(aDirty, aAppUnitsPerDevPixel);