diff --git a/image/SurfaceCache.cpp b/image/SurfaceCache.cpp
index fe4a9976bc72..2c805b22b7b2 100644
--- a/image/SurfaceCache.cpp
+++ b/image/SurfaceCache.cpp
@@ -562,6 +562,10 @@ class ImageSurfaceCache {
       MOZ_ASSERT_UNREACHABLE("Expected valid native size!");
       return aSize;
     }
+    if (image->GetOrientation().SwapsWidthAndHeight() &&
+        image->HandledOrientation()) {
+      std::swap(factorSize.width, factorSize.height);
+    }
 
     if (mIsVectorImage) {
       // Ensure the aspect ratio matches the native size before forcing the