diff --git a/app/jobs/backtrace_job.rb b/app/jobs/backtrace_job.rb
index 17755dc..50ee155 100644
--- a/app/jobs/backtrace_job.rb
+++ b/app/jobs/backtrace_job.rb
@@ -36,7 +36,7 @@ class BacktraceJob < ApplicationJob
     end
 
     begin
-      raise BacktraceException, params['errors']&.first&.dig('message')
+      raise BacktraceException, "#{origin}: #{params['errors']&.first&.dig('message')}"
     rescue BacktraceException => e
       ExceptionNotifier.notify_exception(e, data: { site: site.name, params: params, _backtrace: true })
     end
@@ -95,4 +95,11 @@ class BacktraceJob < ApplicationJob
       SourceMap::Map.from_hash data(map)
     end.reduce(&:+)
   end
+
+  # @return [String]
+  def origin
+    URI.parse(params.dig('context', 'url')).host
+  rescue URI::Error
+    params.dig('context', 'url')
+  end
 end