diff --git a/backend/src/app/http/sse.clj b/backend/src/app/http/sse.clj
index 1e6ef1f69b..7459d9224b 100644
--- a/backend/src/app/http/sse.clj
+++ b/backend/src/app/http/sse.clj
@@ -9,7 +9,6 @@
   (:refer-clojure :exclude [tap])
   (:require
    [app.common.data :as d]
-   [app.common.exceptions :as ex]
    [app.common.logging :as l]
    [app.common.transit :as t]
    [app.http.errors :as errors]
@@ -54,16 +53,20 @@
      ::yres/status 200
      ::yres/body (yres/stream-body
                   (fn [_ output]
-                    (binding [events/*channel* (sp/chan :buf buf :xf (keep encode))]
-                      (let [listener (events/start-listener
-                                      (partial write! output)
-                                      (partial pu/close! output))]
-                        (try
+                    (let [channel  (sp/chan :buf buf :xf (keep encode))
+                          listener (events/start-listener
+                                    channel
+                                    (partial write! output)
+                                    (partial pu/close! output))]
+                      (try
+                        (binding [events/*channel* channel]
                           (let [result (handler)]
-                            (events/tap :end result))
-                          (catch Throwable cause
-                            (let [result (errors/handle' cause request)]
-                              (events/tap :error result)))
-                          (finally
-                            (sp/close! events/*channel*)
-                            (px/await! listener)))))))}))
+                            (events/tap :end result)))
+
+                        (catch Throwable cause
+                          (let [result (errors/handle' cause request)]
+                            (events/tap channel :error result)))
+
+                        (finally
+                          (sp/close! channel)
+                          (px/await! listener))))))}))
diff --git a/backend/src/app/util/events.clj b/backend/src/app/util/events.clj
index a41843c6b1..b26810cb04 100644
--- a/backend/src/app/util/events.clj
+++ b/backend/src/app/util/events.clj
@@ -10,7 +10,6 @@
   to them. Mainly used in http.sse for progress reporting."
   (:refer-clojure :exclude [tap run!])
   (:require
-   [app.common.data.macros :as dm]
    [app.common.exceptions :as ex]
    [app.common.logging :as l]
    [promesa.exec :as px]
@@ -18,33 +17,30 @@
 
 (def ^:dynamic *channel* nil)
 
-(defn channel
-  []
-  (sp/chan :buf 32))
-
 (defn tap
-  [type data]
-  (when-let [channel *channel*]
-    (sp/put! channel [type data])
-    nil))
+  ([type data]
+   (when-let [channel *channel*]
+     (sp/put! channel [type data])
+     nil))
+  ([channel type data]
+   (when channel
+     (sp/put! channel [type data])
+     nil)))
 
 (defn start-listener
-  [on-event on-close]
-
-  (dm/assert!
-   "expected active events channel"
-   (sp/chan? *channel*))
+  [channel on-event on-close]
+  (assert (sp/chan? channel) "expected active events channel")
 
   (px/thread
     {:virtual true}
     (try
       (loop []
-        (when-let [event (sp/take! *channel*)]
+        (when-let [event (sp/take! channel)]
           (let [result (ex/try! (on-event event))]
             (if (ex/exception? result)
               (do
                 (l/wrn :hint "unexpected exception" :cause result)
-                (sp/close! *channel*))
+                (sp/close! channel))
               (recur)))))
       (finally
         (on-close)))))
@@ -55,7 +51,7 @@
   [f on-event]
 
   (binding [*channel* (sp/chan :buf 32)]
-    (let [listener (start-listener on-event (constantly nil))]
+    (let [listener (start-listener *channel* on-event (constantly nil))]
       (try
         (f)
         (finally