diff --git a/src/tractor.py b/src/tractor.py
index 1cc10031..b2831d6b 100644
--- a/src/tractor.py
+++ b/src/tractor.py
@@ -23,13 +23,13 @@ class Tractor(pygame.sprite.Sprite):
         load_dotenv(find_dotenv())
         TILE_SIZE = int(os.getenv("TILE_SIZE"))
 
-        if direction == "up":
+        if direction == "up" and self.rect.y > 0:
             self.rect.y -= TILE_SIZE
-        elif direction == "down":
+        elif direction == "down" and self.rect.y < 15 * TILE_SIZE:
             self.rect.y += TILE_SIZE
-        elif direction == "left":
+        elif direction == "left" and self.rect.x > 0:
             self.rect.x -= TILE_SIZE
-        elif direction == "right":
+        elif direction == "right" and self.rect.x < 15 * TILE_SIZE:
             self.rect.x += TILE_SIZE
 
     def update(self):