diff --git a/layout/svg/base/src/nsSVGUtils.cpp b/layout/svg/base/src/nsSVGUtils.cpp
index 62d1bbae0b5b..2b45e9766497 100644
--- a/layout/svg/base/src/nsSVGUtils.cpp
+++ b/layout/svg/base/src/nsSVGUtils.cpp
@@ -736,7 +736,12 @@ nsSVGUtils::GetBBox(nsFrameList *aFrames, nsIDOMSVGRect **_retval)
 nsRect
 nsSVGUtils::FindFilterInvalidation(nsIFrame *aFrame)
 {
-  nsRect rect = aFrame->GetRect();
+  nsISVGChildFrame *svgFrame = nsnull;
+  CallQueryInterface(aFrame, &svgFrame);
+  if (!svgFrame)
+    return nsRect();
+
+  nsRect rect = svgFrame->GetCoveredRegion();
 
   while (aFrame) {
     if (aFrame->GetStateBits() & NS_STATE_IS_OUTER_SVG)