diff --git a/src/computersandblues/frantisek_kafka/samsa.clj b/src/computersandblues/frantisek_kafka/samsa.clj
index 86f7303..8f8b1ff 100644
--- a/src/computersandblues/frantisek_kafka/samsa.clj
+++ b/src/computersandblues/frantisek_kafka/samsa.clj
@@ -60,7 +60,7 @@
   (when (environment-setup?)
     (http/post (str (:mastodon-instance env) "/api/v1/statuses")
                {:form-params {:status text}
-                :headers {:authorization (str "Bearer " (:access-token env))}}))
+                :headers {"Authorization" (str "Bearer " (:access-token env))}}))
   (log/info text))
 
 ;; defining the command line interface