--- a/layout/svg/nsSVGUtils.cpp
+++ b/layout/svg/nsSVGUtils.cpp
@@ -1183,16 +1183,17 @@ nsSVGUtils::GetBBox(nsIFrame* aFrame, ui
           static_cast<SVGClipPathElement*>(clipPathFrame->GetContent());
         RefPtr<SVGAnimatedEnumeration> units = clipContent->ClipPathUnits();
         if (units->AnimVal() == SVG_UNIT_TYPE_OBJECTBOUNDINGBOX) {
           matrix.PreTranslate(gfxPoint(x, y));
           matrix.PreScale(width, height);
         } else if (aFrame->IsSVGForeignObjectFrame()) {
           matrix = gfxMatrix();
         }
+        matrix = clipContent->PrependLocalTransformsTo(matrix, eUserSpaceToParent);
         bbox =
           clipPathFrame->GetBBoxForClipPathFrame(bbox, matrix).ToThebesRect();
       }
 
       if (hasClip) {
         bbox = bbox.Intersect(clipRect);
       }