diff --git a/src/api/post.ts b/src/api/post.ts
index aa34010..ce6ba89 100644
--- a/src/api/post.ts
+++ b/src/api/post.ts
@@ -63,6 +63,7 @@ export const addPostMethods = (server: express.Express) => {
                     client.client.name = auth?.params?.name;
                     let serverTag = auth?.params?.server;
                     if (!checkSelfTag(serverTag)) {
+                        debug("POST", "auth: bad server tag:", serverTag);
                         aws("error", "data");
                         return;
                     }