diff --git a/main.cpp b/main.cpp
index 37c1660..d4bfaae 100644
--- a/main.cpp
+++ b/main.cpp
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+#include "config.h"
 
 #include "buildjson/buildjson.hpp"
 #include "conf.hpp"