diff --git a/src/backend/schemas/context.py b/src/backend/schemas/context.py
index 6faaa3ec93..ade0185a55 100644
--- a/src/backend/schemas/context.py
+++ b/src/backend/schemas/context.py
@@ -95,7 +95,7 @@ def with_model(self, model: str) -> "Context":
         self.model = model
         return self
 
-    def with_deployment_config(self, deployment_config=None) -> "Context":
+    def with_deployment_config(self, deployment_config={}) -> "Context":
         if deployment_config:
             self.deployment_config = deployment_config
         else: