diff --git a/opm/core/props/satfunc/RelpermDiagnostics.cpp b/opm/core/props/satfunc/RelpermDiagnostics.cpp
index e04ecc32d..d787b7ad1 100644
--- a/opm/core/props/satfunc/RelpermDiagnostics.cpp
+++ b/opm/core/props/satfunc/RelpermDiagnostics.cpp
@@ -17,6 +17,10 @@
   along with OPM.  If not, see <http://www.gnu.org/licenses/>.
 */
 
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif // HAVE_CONFIG_H
+
 #include <opm/core/props/satfunc/RelpermDiagnostics.hpp>
 #include <opm/core/props/phaseUsageFromDeck.hpp>
 
diff --git a/opm/core/props/satfunc/RelpermDiagnostics.hpp b/opm/core/props/satfunc/RelpermDiagnostics.hpp
index ffc683fa8..ea0cd08c5 100644
--- a/opm/core/props/satfunc/RelpermDiagnostics.hpp
+++ b/opm/core/props/satfunc/RelpermDiagnostics.hpp
@@ -23,10 +23,6 @@
 #include <vector>
 #include <utility>
 
-#if HAVE_CONFIG_H
-#include "config.h"
-#endif // HAVE_CONFIG_H
-
 #include <opm/material/fluidmatrixinteractions/EclEpsScalingPoints.hpp>
 
 namespace Opm {