diff --git a/src/eddn/Gateway.py b/src/eddn/Gateway.py
index 3eed61f..63d10d7 100644
--- a/src/eddn/Gateway.py
+++ b/src/eddn/Gateway.py
@@ -159,9 +159,8 @@ def parse_and_error_handle(data):
         return "FAIL: " + str(validationResults.messages)
 
 
-@app.route('/upload/', methods=['OPTIONS', 'POST'])
+@app.route('/upload/', method=['OPTIONS', 'POST'])
 def upload():
-    response.set_header("Access-Control-Allow-Origin", "*")
     try:
         # Body may or may not be compressed.
         message_body = get_decompressed_message()