diff --git a/nginx/nginx.conf b/nginx/nginx.conf
index 024d3a26..5ea73e88 100644
--- a/nginx/nginx.conf
+++ b/nginx/nginx.conf
@@ -158,14 +158,14 @@ http {
             # Handle preflight OPTIONS requests
             if ($request_method = OPTIONS ) {
                 # Add CORS headers for preflight request
-                add_header 'Access-Control-Allow-Origin' "$http_origin" always;
+                add_header 'Access-Control-Allow-Origin' "https://app.mzansi-innovation-hub.co.za" always;
                 add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS' always;
                 add_header 'Access-Control-Allow-Headers' 'Authorization, Content-Type' always;
                 add_header 'Access-Control-Max-Age' 1728000;
                 return 204;
             }
 
-            add_header 'Access-Control-Allow-Origin' "$http_origin" always;
+            add_header 'Access-Control-Allow-Origin' "https://app.mzansi-innovation-hub.co.za" always;
             add_header 'Access-Control-Allow-Headers' 'Authorization, Content-Type' always;
 
             proxy_pass http://MIH-AI:11434/;