diff --git a/TetrArcade.py b/TetrArcade.py
index 66330a8..e5f26bd 100644
--- a/TetrArcade.py
+++ b/TetrArcade.py
@@ -385,10 +385,10 @@ AGAIN""".format(
 
         self.play_music = self.conf["MUSIC"].getboolean("play")
 
-    def on_new_game(self, next_pieces):
+    def on_new_game(self, matrix, next_pieces):
         self.highlight_texts = []
 
-        self.matrix.sprites = MatrixSprites(self.matrix)
+        matrix.sprites = MatrixSprites(self.matrix)
         for piece in next_pieces:
             piece.sprites = TetrominoSprites(piece, self)
 
diff --git a/tetrislogic/tetrislogic.py b/tetrislogic/tetrislogic.py
index a48c9cd..1e48ebd 100644
--- a/tetrislogic/tetrislogic.py
+++ b/tetrislogic/tetrislogic.py
@@ -186,10 +186,10 @@ class TetrisLogic:
         self.held.piece = None
         self.timer.postpone(self.stats.update_time, 1)
 
-        self.on_new_game(self.next.pieces)
+        self.on_new_game(self.matrix, self.next.pieces)
         self.new_level()
 
-    def on_new_game(self, next_pieces):
+    def on_new_game(self, matrix, next_pieces):
         pass
 
     def new_level(self):