diff --git a/src/clj/commiteth/routes/webhooks.clj b/src/clj/commiteth/routes/webhooks.clj
index 123fba8..b7334fe 100644
--- a/src/clj/commiteth/routes/webhooks.clj
+++ b/src/clj/commiteth/routes/webhooks.clj
@@ -12,7 +12,7 @@
             [commiteth.util.digest :refer [hex-hmac-sha1]]
             [compojure.core :refer [defroutes POST]]
             [crypto.equality :as crypto]
-            [ring.util.http-response :refer [ok]]
+            [ring.util.http-response :refer [ok forbidden]]
             [commiteth.db.bounties :as bounties-db])
   (:import java.lang.Integer))
 
@@ -194,8 +194,10 @@
 
 (defroutes webhook-routes
   (POST "/webhook" {:keys [headers body]}
+        (log/debug "webhook POST, headers" headers)
         (let [raw-payload (slurp body)
               payload (json/parse-string raw-payload true)]
+          (log/debug "webhook POST, payload" payload)
           (if (validate-secret payload raw-payload (get headers "x-hub-signature"))
             (do
               (log/debug "Github secret validation OK")
@@ -203,4 +205,5 @@
               (case (get headers "x-github-event")
                 "issues" (handle-issue payload)
                 "pull_request" (handle-pull-request payload)
-                (ok)))))))
+                (ok)))
+            (forbidden)))))
diff --git a/src/clj/commiteth/scheduler.clj b/src/clj/commiteth/scheduler.clj
index 188404f..02a7c0b 100644
--- a/src/clj/commiteth/scheduler.clj
+++ b/src/clj/commiteth/scheduler.clj
@@ -134,14 +134,19 @@
     (update-confirm-hash)
     (update-payout-receipt)
     (self-sign-bounty)
-    (update-balances)))
+    (update-balances)
+    (log/debug "run-periodic-tasks done")))
 
 
 (mount/defstate scheduler
   :start (let [every-minute (rest
                              (periodic-seq (t/now)
                                            (-> 1 t/minutes)))
-               stop-fn (chime-at every-minute run-periodic-tasks)]
+               stop-fn (chime-at every-minute
+                                 run-periodic-tasks
+                                 {:error-handler (fn [e]
+                                                   (log/error "Scheduled task failed" e)
+                                                   (throw e))})]
            (log/info "started scheduler")
            stop-fn)
   :stop (do