diff --git a/flatland/envs/schedule_generators.py b/flatland/envs/schedule_generators.py
index ee80320bc5eb03f8568e38fa876f5cf18818c999..a3a6dc1e4813a8c41284d46b6c03c5898cdcc63e 100644
--- a/flatland/envs/schedule_generators.py
+++ b/flatland/envs/schedule_generators.py
@@ -228,14 +228,22 @@ def schedule_from_file(filename) -> ScheduleGenerator:
         data = msgpack.unpackb(load_data, use_list=False, encoding='utf-8')
 
         # agents are always reset as not moving
-        agents_static = [EnvAgentStatic(d[0], d[1], d[2], d[3], d[4], d[5]) for d in data["agents_static"]]
+        if len(data['agents_static'][0]) > 5:
+            print(len(data['agents_static'][0]))
+            agents_static = [EnvAgentStatic(d[0], d[1], d[2], d[3], d[4], d[5]) for d in data["agents_static"]]
+        else:
+            agents_static = [EnvAgentStatic(d[0], d[1], d[2], d[3]) for d in data["agents_static"]]
 
         # setup with loaded data
         agents_position = [a.position for a in agents_static]
         agents_direction = [a.direction for a in agents_static]
         agents_target = [a.target for a in agents_static]
-        agents_speed = [a.speed_data['speed'] for a in agents_static]
-        agents_malfunction = [a.malfunction_data['malfunction_rate'] for a in agents_static]
+        if len(data['agents_static'][0]) > 5:
+            agents_speed = [a.speed_data['speed'] for a in agents_static]
+            agents_malfunction = [a.malfunction_data['malfunction_rate'] for a in agents_static]
+        else:
+            agents_speed = None
+            agents_malfunction = None
         return agents_position, agents_direction, agents_target, agents_speed, agents_malfunction
 
     return generator