diff --git a/res/tiles.png b/res/tiles.png
index 8ff64a6..c5f4674 100644
Binary files a/res/tiles.png and b/res/tiles.png differ
diff --git a/src/agent.py b/src/agent.py
index 164815d..1bacb73 100644
--- a/src/agent.py
+++ b/src/agent.py
@@ -1,6 +1,6 @@
 class Agent:
     def __init__(self):
-        graph = []
+        self.graph = []
 
     def inform(self, coordinate_set):
         pass
diff --git a/src/simulation.py b/src/simulation.py
index 4318ccf..c5003d7 100644
--- a/src/simulation.py
+++ b/src/simulation.py
@@ -36,7 +36,7 @@ class TruckEntity(Entity):
         proposed_pos = self.position + move_vector
         move_valid = True
 
-        if proposed_pos not in self.state.roads_pos:
+        if proposed_pos not in self.state.roads_pos and proposed_pos not in self.state.houses_pos:
             move_valid = False
         if proposed_pos.x < 0 or proposed_pos.x >= self.state.world_limits.x:
             move_valid = False
@@ -76,7 +76,6 @@ class SimulationState:
 
                     if tile == "O":
                         self.truck_origin = pg.Vector2(x, y)
-                        self.entities.append(TruckEntity(self, self.truck_origin))
                         self.roads_pos.append(pg.Vector2(x, y))
                     if tile == "R":
                         self.roads_pos.append(pg.Vector2(x, y))
@@ -95,6 +94,7 @@ class SimulationState:
                     if tile == "Z":
                         self.mixed_dump_pos = pg.Vector2(x, y)
                         self.entities.append(DumpEntity(self, pg.Vector2(x, y), 'mixed'))
+        self.entities.append(TruckEntity(self, self.truck_origin))
 
         self.world_limits = pg.Vector2(max_x, max_y)