diff --git a/src/server/tabletennis.c b/src/server/tabletennis.c
--- a/src/server/tabletennis.c
+++ b/src/server/tabletennis.c
@@ -17,6 +17,8 @@
  * along with DistRen.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "common/config.h"
+
 #include "distrend.h"
 #include "listen.h"
 #include "tabletennis.h"