diff --git a/src/volumecreator.py b/src/volumecreator.py
index 3f7b6bb..0db5b9e 100644
--- a/src/volumecreator.py
+++ b/src/volumecreator.py
@@ -16,7 +16,7 @@
 
 def jsonify_no_content():
     response = make_response('', 204)
-    response.mimetype = app.config['JSONIFY_MIMETYPE']
+    response.mimetype = "application/json"
     return response
 
 regex = re.compile(
@@ -118,4 +118,4 @@ def post_file_to_s3(name):
     print(response)
     with open(app.config["UPLOAD_FOLDER"] + '/' + name, 'rb') as f:
         r = requests.put(response["target"], data=f)
-        return jsonify(r.status_code)
\ No newline at end of file
+        return jsonify(r.status_code)