diff --git a/Traktorek/Tractor.py b/Traktorek/Tractor.py
index 318b7e4..4815e95 100644
--- a/Traktorek/Tractor.py
+++ b/Traktorek/Tractor.py
@@ -32,8 +32,10 @@ class Tractor(object):
 
         if pygame.key.get_pressed()[pygame.K_SPACE]:
             # obecne pole
-            self.pole = self.pos.y // 144 * 5 + self.pos.x // 144
+            pole = self.pos.y // 144 * 5 + self.pos.x // 144
             
+            if len(self.road) == 0:
+                sys.exit(0)
             if self.road[0] == self.pole + 1:
                 self.pos.x = self.pos.x + 144
             elif self.road[0] == self.pole - 1: