diff --git a/backend/src/app/loggers/loki.clj b/backend/src/app/loggers/loki.clj
index 2d2e3678f..53b20da22 100644
--- a/backend/src/app/loggers/loki.clj
+++ b/backend/src/app/loggers/loki.clj
@@ -85,7 +85,6 @@
     (let [payload  (prepare-payload event)
           response (make-request cfg payload)]
       (when-not (= 204 (:status response))
-        (map? response)
         (l/error :hint "error on sending log to loki (unexpected response)"
                  :response (pr-str response))))
     (catch Throwable cause
diff --git a/backend/src/app/util/async.clj b/backend/src/app/util/async.clj
index cd89a34fe..217f54ac0 100644
--- a/backend/src/app/util/async.clj
+++ b/backend/src/app/util/async.clj
@@ -110,4 +110,4 @@
 
 (defn thread-sleep
   [ms]
-  (Thread/sleep ms))
+  (Thread/sleep (long ms)))