diff --git a/opm/autodiff/ISTLSolver.hpp b/opm/autodiff/ISTLSolver.hpp
index f7b08a007..6c43bf8c4 100644
--- a/opm/autodiff/ISTLSolver.hpp
+++ b/opm/autodiff/ISTLSolver.hpp
@@ -20,6 +20,7 @@
 #ifndef OPM_ISTLSOLVER_HEADER_INCLUDED
 #define OPM_ISTLSOLVER_HEADER_INCLUDED
 
+#include <opm/autodiff/MPIUtilities.hpp>
 #include <opm/autodiff/BlackoilAmg.hpp>
 #include <opm/autodiff/CPRPreconditioner.hpp>
 #include <opm/autodiff/NewtonIterationBlackoilInterleaved.hpp>