diff --git a/selfprivacy_api/resources/api_auth/app_tokens.py b/selfprivacy_api/resources/api_auth/app_tokens.py
index 09bc55c..ef82ec1 100644
--- a/selfprivacy_api/resources/api_auth/app_tokens.py
+++ b/selfprivacy_api/resources/api_auth/app_tokens.py
@@ -57,6 +57,7 @@ class Tokens(Resource):
                       token:
                           type: string
                           description: Token name to delete
+                          required: true
         responses:
             200:
                 description: Token deleted