diff --git a/examples/opm_init_check.cpp b/examples/opm_init_check.cpp
index f1995e7fe..7b04c1f31 100644
--- a/examples/opm_init_check.cpp
+++ b/examples/opm_init_check.cpp
@@ -17,6 +17,7 @@
   along with OPM.  If not, see <http://www.gnu.org/licenses/>.
 */
 
+#include <config.h>
 
 #include <iostream>
 #include <fstream>