--- a/layout/svg/nsCSSClipPathInstance.cpp
+++ b/layout/svg/nsCSSClipPathInstance.cpp
@@ -72,16 +72,19 @@ nsCSSClipPathInstance::CreateClipPath(Dr
       r = mTargetFrame->GetContentRectRelativeToSelf();
       break;
     case StyleClipPathGeometryBox::Padding:
       r = mTargetFrame->GetPaddingRectRelativeToSelf();
       break;
     case StyleClipPathGeometryBox::Margin:
       r = mTargetFrame->GetMarginRectRelativeToSelf();
       break;
+    case StyleClipPathGeometryBox::Fill:
+      r = mTargetFrame->GetVisualOverflowRectRelativeToSelf();
+      break;
     default: // Use the border box
       r = mTargetFrame->GetRectRelativeToSelf();
   }
 
   if (mClipPathStyle.GetType() != StyleShapeSourceType::Shape) {
     // TODO Clip to border-radius/reference box if no shape
     // was specified.
     RefPtr<PathBuilder> builder = aDrawTarget->CreatePathBuilder();