diff --git a/app.py b/app.py
index ccc0a35..cb5d0a8 100644
--- a/app.py
+++ b/app.py
@@ -13,9 +13,9 @@
 )
 
 app = Flask("excalidraw-ai-backend")
-allowed_host = os.getenv('ALLOWED_HOST')
-if allowed_host:
-    CORS(app, resources={r"/*": {"origins": allowed_host}})
+allowed_origin = os.getenv('ALLOWED_ORIGIN')
+if allowed_origin:
+    CORS(app, resources={r"/*": {"origins": allowed_origin}})
 else:
     CORS(app)
 
diff --git a/docker-compose.yml b/docker-compose.yml
index 6f0f399..fac9993 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -8,4 +8,4 @@ services:
     environment:
       - AZURE_OPENAI_API_KEY=<your_api_key_here>
       - AZURE_OPENAI_ENDPOINT=<your_endpoint_here>
-      - ALLOWED_HOST=<allowed_host>
\ No newline at end of file
+      - ALLOWED_ORIGIN=https://<allowed_origin>
\ No newline at end of file