diff --git a/dune-solvers/transferoperators/genericmultigridtransfer.hh b/dune-solvers/transferoperators/genericmultigridtransfer.hh index 904a28f9a4a29915d91c00d5b8087dd93c5a2cb3..ea4878181cadc874b6eb86e20ca4cd6607688fbb 100644 --- a/dune-solvers/transferoperators/genericmultigridtransfer.hh +++ b/dune-solvers/transferoperators/genericmultigridtransfer.hh @@ -6,6 +6,8 @@ #include <dune/common/fmatrix.hh> #include <dune/common/bitsetvector.hh> +#include <dune/grid/common/genericreferenceelements.hh> + #include <dune/finiteelements/p1.hh> #include <dune/finiteelements/q1.hh> #include <dune/finiteelements/prismp1.hh>