diff --git a/src/server/api.ts b/src/server/api.ts
index fee79cb..85608b2 100644
--- a/src/server/api.ts
+++ b/src/server/api.ts
@@ -73,6 +73,7 @@ export default function (server, opts, done) {
       return reply.code(400).send({ error: "No ID query parameter" });
 
     return server.level.db.get(req.params.id).then(r=>JSON.parse(r)).then(r=>r.version||-1).catch(_=>-1).then(db_version=>{
+      console.log(`Received ${req.body.version}, expected ${db_version+1} (-1 if expected nothing)`)
       if(db_version+1 == req.body.version || db_version == -1)
         return server.level.db.put(req.params.id, req.body)
           .then(_=>reply.send({ content: "ok" }))