diff --git a/src/tower.py b/src/tower.py
index 480f327..8510dd5 100644
--- a/src/tower.py
+++ b/src/tower.py
@@ -42,7 +42,7 @@ class Tower:
             self.projectile_image = pygame.transform.scale(self.projectile_image, (projectile_size, projectile_size))
         except Exception as e:
             print(f"Error loading projectile sprite: {e}")
-            self.tower_image = None
+            self.projectile_image = None
 
     # soll interaktives Tower Feld an zufälliger freier Position im Raum spawnen
     def field_spawn(self, room_rect: pygame.Rect, blocked_rects: list[pygame.Rect]):