diff --git a/tetri5/entity.py b/tetri5/entity.py
index 0a2a5e8..069f190 100644
--- a/tetri5/entity.py
+++ b/tetri5/entity.py
@@ -354,6 +354,10 @@ class Stack(Entity):
         self.total_lines += self.lines_completed_last
 
     def draw(self, surface: pygame.Surface) -> None:
+        # only draw if squares and colors are aligned
+        if len(self._square_colors) != len(self._points):
+            return
+
         for i in range(len(self._points)):
             square = self._points[i]
             square_design = self._square_colors[i]