diff --git a/app/Listeners/ProcessCompletedSpeedtest.php b/app/Listeners/ProcessCompletedSpeedtest.php
index 94c2caa89..b67366cfe 100644
--- a/app/Listeners/ProcessCompletedSpeedtest.php
+++ b/app/Listeners/ProcessCompletedSpeedtest.php
@@ -104,7 +104,7 @@ private function notifyDispatchingUser(Result $result): void
      */
     private function notifyMailChannels(Result $result): void
     {
-        if (empty($result->dispatched_by) || ! $result->healthy) {
+        if (filled($result->dispatched_by) || ! $result->healthy) {
             return;
         }