diff --git a/api/openapi.yaml b/api/openapi.yaml
index e93eb8a..2af6ba0 100644
--- a/api/openapi.yaml
+++ b/api/openapi.yaml
@@ -97,6 +97,8 @@ paths:
       tags:
         - User
       summary: A list of all sharings with other users.
+      parameters:
+        - $ref: '#/components/parameters/UserId'
       responses:
         200:
           description: Returns the success state and a list with all sharings of the user.
@@ -125,6 +127,8 @@ paths:
       tags:
         - User
       summary: A list containing all fingerprints of the user
+      parameters:
+        - $ref: '#/components/parameters/UserId'
       responses:
         200:
           description: Returns the success state and a list with all fingerprints of the user.