diff --git a/src/game/morpion.cpp b/src/game/morpion.cpp
index 13c09b72f2a83e73499e3bd3f27952ad7ffdc3e4..2d0ff85f8db1229f5212ac05b56af01744773531 100644
--- a/src/game/morpion.cpp
+++ b/src/game/morpion.cpp
@@ -182,7 +182,7 @@ namespace game
 	{
 		while (!end_of_game())
 		{
-			uniform_int_distribution<uint16_t> distribution(0, number_of_moves() - 1);
+			uniform_int_distribution<uint16_t> distribution(0, 8-state.total_moves);
 			uint16_t move = distribution(engine);
 			play(move);
 		}