diff --git a/backend/openui/__main__.py b/backend/openui/__main__.py
index 3d83e2d..5716358 100644
--- a/backend/openui/__main__.py
+++ b/backend/openui/__main__.py
@@ -90,7 +90,7 @@ def is_running_in_docker():
                 f"Starting LiteLLM in the background with config: {config_path}"
             )
             litellm_process = subprocess.Popen(
-                ["litellm", "--config", config_path],
+                ["litellm", "--config", config_path, "--port", "4000"],
                 stdout=subprocess.PIPE,
                 stderr=subprocess.PIPE,
                 text=True,