diff --git a/dune/contact/solvers/contacttransferoperatorassembler.hh b/dune/contact/solvers/contacttransferoperatorassembler.hh
index f0e0cd51e520a69245910f2663a2009c4a5a0756..710bf78706145f1783ec95665ada92bf4648c009 100644
--- a/dune/contact/solvers/contacttransferoperatorassembler.hh
+++ b/dune/contact/solvers/contacttransferoperatorassembler.hh
@@ -22,7 +22,7 @@ class ContactTransferOperatorAssembler
     typedef Dune::FieldMatrix<field_type, blocksize, blocksize> MatrixBlock;
     typedef std::vector<MatrixBlock> CoordSystemVector;
     typedef Dune::BCRSMatrix<MatrixBlock> MatrixType;
-    typedef ContactAssembler<GridType0::dimension, field_type> ContactAssembler;
+    typedef ::ContactAssembler<GridType0::dimension, field_type> ContactAssembler;
 
 
   public: