diff --git a/src/classes/play_classes.py b/src/classes/play_classes.py
index 1ecf3a5..395483c 100644
--- a/src/classes/play_classes.py
+++ b/src/classes/play_classes.py
@@ -22,4 +22,8 @@ class Play(SQLModel, table=True):
     ignore_for_stats : bool
     location: str
 
-    players: list[PlayPlayer] = Relationship(back_populates="play")
\ No newline at end of file
+    players: list[PlayPlayer] = Relationship(back_populates="play")
+
+    model_config = {
+        'validate_assignment':True
+    }
diff --git a/tests/test_main.py b/tests/test_main.py
index 5cd8d41..a28c9f4 100644
--- a/tests/test_main.py
+++ b/tests/test_main.py
@@ -68,8 +68,6 @@ def test_retrieve_plays():
     returned_play = play_classes.Play(**response.json()[0])
 
     assert type(returned_play.boardgame_id) == int
-    assert type(returned_play.players) == list
-    assert type(returned_play.players[0]) == play_classes.PlayPlayer
     assert type(returned_play.play_date) == date
     assert type(returned_play.duration) == int
     assert type(returned_play.ignore_for_stats) == bool