diff --git a/games/models.py b/games/models.py
index 3c95a6b..0493dc5 100644
--- a/games/models.py
+++ b/games/models.py
@@ -5,7 +5,7 @@ class GameModel(models.Model):
 
 	finished = models.BooleanField(default=False)
 	started = models.BooleanField(default=False)
-	winner_id = models.IntegerField()
+	winner_id = models.IntegerField(null=True, blank=True)
 	
 	def create(self, users_id: [int]):
 		self.save()
diff --git a/tournament/models.py b/tournament/models.py
index 7b4ce71..5d2ae37 100644
--- a/tournament/models.py
+++ b/tournament/models.py
@@ -5,7 +5,7 @@ from games.models import GameModel
 # Create your models here.tu
 class TournamentModel(models.Model):
 
-	name = models.CharField()
+	name = models.CharField(max_length=100)
 	nb_players = models.IntegerField()
 	nb_players_by_game = models.IntegerField()
 	level = models.IntegerField()
@@ -21,7 +21,9 @@ class TournamentModel(models.Model):
 		self.nb_players = nb_players
 		self.nb_players_by_game = nb_players_by_game
 		self.name = name
-		return self.save()
+		self.save()
+
+		return self.pk
 
 	def create_game(self, users_id):
 		game_id = GameModel.create(users_id=users_id)