diff --git a/multiagent/scenarios/simple_world_comm.py b/multiagent/scenarios/simple_world_comm.py
index 499456e40..6aa388e73 100644
--- a/multiagent/scenarios/simple_world_comm.py
+++ b/multiagent/scenarios/simple_world_comm.py
@@ -178,7 +178,7 @@ def bound(x):
         for food in world.food:
             if self.is_collision(agent, food):
                 rew += 2
-        rew += 0.05 * min([np.sqrt(np.sum(np.square(food.state.p_pos - agent.state.p_pos))) for food in world.food])
+        rew -= 0.05 * min([np.sqrt(np.sum(np.square(food.state.p_pos - agent.state.p_pos))) for food in world.food])
 
         return rew