diff --git a/Foundation.hs b/Foundation.hs
index 949b5a2..acd7d1b 100644
--- a/Foundation.hs
+++ b/Foundation.hs
@@ -181,6 +181,7 @@ instance Yesod App where
     isAuthorized UserInfoR _ = return Authorized
     isAuthorized MyEvaluationTriggerTokenJsonR _ = return Authorized
     isAuthorized (ChallengeSubmissionJsonR _) _ = return Authorized
+    isAuthorized (MakePublicJsonR _) _ = return Authorized
     isAuthorized (ChallengeReadmeInMarkdownR _) _ = regularAuthorization
     isAuthorized (QueryJsonR _) _ = regularAuthorization
     isAuthorized ListTagsJsonR _ = regularAuthorization
diff --git a/static/test-gonito-as-backend.html b/static/test-gonito-as-backend.html
index 1f69e59..6312959 100644
--- a/static/test-gonito-as-backend.html
+++ b/static/test-gonito-as-backend.html
@@ -192,6 +192,9 @@
   <p><input type="text" id="challengeId" value="specify challenge ID here"/><button onclick="loadData('challenge-my-submissions/' +  document.getElementById('challengeId').value)">Test
   showing user's submissions</button></p>
 
+  <p><input type="text" id="submissionId" value="specify submission ID here"/><button onclick="loadData('make-public/' +  document.getElementById('submissionId').value)">Test
+  opening submissions</button></p>
+
   <p><button onclick="loadData('list-challenges')">Yet another
       test</button></p>