1 files changed, 2 insertions, 0 deletions
diff --git a/tit4tat.pl b/tit4tat.pl
index 82d4f61..7b9ecb8 100644
--- a/tit4tat.pl
+++ b/tit4tat.pl
@@ -15,6 +15,8 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+:-initialization(start).
+
 pay(c,d,1).
 pay(d,d,2).
 pay(c,c,3).