diff --git a/src/Plugin/Action/SendQuestionNotifyEmail.php b/src/Plugin/Action/SendQuestionNotifyEmail.php
index 7a1a370..d685c0e 100644
--- a/src/Plugin/Action/SendQuestionNotifyEmail.php
+++ b/src/Plugin/Action/SendQuestionNotifyEmail.php
@@ -31,7 +31,7 @@ public function execute($question = NULL) {
      */
     if ($library = $question->getTargetLibrary()) {
       $recipients = array_merge($recipients, $this->getGroupRecipients($library));
-    } else if ($channel = $question->getChannel()) {
+    } else if (($channel = $question->getChannel()) && !empty($this->getChannelRecipients($channel))) {
       $recipients = array_merge($recipients, $this->getChannelRecipients($channel));
     } else if ($city = $question->getMunicipality()) {
       $recipients = array_merge($recipients, $this->getGroupRecipients($city));