diff --git a/opm/core/transport/implicit/TransportSolverTwophaseImplicit.cpp b/opm/core/transport/implicit/TransportSolverTwophaseImplicit.cpp
index 3c69e54..e8c1af7 100644
--- a/opm/core/transport/implicit/TransportSolverTwophaseImplicit.cpp
+++ b/opm/core/transport/implicit/TransportSolverTwophaseImplicit.cpp
@@ -45,7 +45,7 @@ namespace Opm
             const std::vector<double>& porevol,
             const double* gravity,
             const std::vector<double>& half_trans,
-            const parameter::ParameterGroup& param)
+            const ParameterGroup& param)
         : fluid_(props),
           model_(fluid_, grid, porevol, gravity, param.getDefault("guess_old_solution", false)),
           tsolver_(model_),
diff --git a/opm/core/transport/implicit/TransportSolverTwophaseImplicit.hpp b/opm/core/transport/implicit/TransportSolverTwophaseImplicit.hpp
index 1a77401..f54ea12 100644
--- a/opm/core/transport/implicit/TransportSolverTwophaseImplicit.hpp
+++ b/opm/core/transport/implicit/TransportSolverTwophaseImplicit.hpp
@@ -61,7 +61,7 @@ namespace Opm
                                         const std::vector<double>& porevol,
                                         const double* gravity,
                                         const std::vector<double>& half_trans,
-                                        const parameter::ParameterGroup& param);
+                                        const ParameterGroup& param);
 
         virtual ~TransportSolverTwophaseImplicit();