diff --git a/model_analyzer/config/input/config_command_profile.py b/model_analyzer/config/input/config_command_profile.py
index 1ea24b8c9..ed6cc9d5b 100755
--- a/model_analyzer/config/input/config_command_profile.py
+++ b/model_analyzer/config/input/config_command_profile.py
@@ -1424,7 +1424,7 @@ def _autofill_values(self):
                 elif not "request_rate" in model.parameters():
                     new_model["parameters"].update({"concurrency": self.concurrency})
                 else:
-                    new_model["parameters"].update({"concurrency": None})
+                    new_model["parameters"].update({"concurrency": []})
 
                 if "request_rate" in model.parameters():
                     new_model["parameters"].update(