diff --git a/model_data/simulation_system/predictions.py b/model_data/simulation_system/predictions.py
index 370e960a..422d6514 100644
--- a/model_data/simulation_system/predictions.py
+++ b/model_data/simulation_system/predictions.py
@@ -26,7 +26,7 @@ from core.Settings import (
 )
 
 TIMESTAMP = datetime.now().strftime(TIMESTAMP_FORMAT)
-RUNTIME_ENVIRONMENT = os.environ.get("RUNTIME_ENVIRONMENT", "local-mock")
+RUNTIME_ENVIRONMENT = os.environ.get("RUNTIME_ENVIRONMENT", "dev")
 
 CLIENT = BotoClient(runtime_environment=RUNTIME_ENVIRONMENT)