diff --git a/src/game/morpion.cpp b/src/game/morpion.cpp
index cf6168036a2704d95b22a477ecd3a3284c69da73..27030269fb70bf26e83dfd28350bfcc0c1de3b02 100644
--- a/src/game/morpion.cpp
+++ b/src/game/morpion.cpp
@@ -209,7 +209,7 @@ namespace game
 	{
 		while (!end_of_game())
 		{
-			uniform_int_distribution<uint16_t> distribution(0, 8-state.total_moves);
+			uniform_int_distribution<uint16_t> distribution(0, number_of_moves() -1);
 			uint16_t move = distribution(engine);
 			play(move);
 		}