diff --git a/dumux/multidomain/facet/box/couplingmanager.hh b/dumux/multidomain/facet/box/couplingmanager.hh
index 33c5db7315e1f154b7b072597fd7a7e7a6d9fa4a..ac410e169018cbdaec7dc3e93b9f4f1639420ddf 100644
--- a/dumux/multidomain/facet/box/couplingmanager.hh
+++ b/dumux/multidomain/facet/box/couplingmanager.hh
@@ -251,7 +251,7 @@ public:
      */
     bool isCoupled(const Element<bulkId>& element,
                    const SubControlVolumeFace<bulkId>& scvf) const
-    { return scvf.isOnInteriorBoundary(); }
+    { return scvf.interiorBoundary(); }
 
     /*!
      * \brief returns true if a bulk scvf coincides with a facet element.