diff --git a/mesa/datacollection.py b/mesa/datacollection.py
index 3fcd205c9c5..f5f6ead235b 100644
--- a/mesa/datacollection.py
+++ b/mesa/datacollection.py
@@ -184,7 +184,9 @@ def get_reports(agent):
 
         agent_records = map(
             get_reports,
-            model.schedule.agents if hasattr(model, "schedule") else model.agents,
+            model.schedule.agents
+            if hasattr(model, "schedule") and model.schedule is not None
+            else model.agents,
         )
         return agent_records