diff --git a/src/notification/facade.js b/src/notification/facade.js
index e77f9e2..56d9ec1 100644
--- a/src/notification/facade.js
+++ b/src/notification/facade.js
@@ -41,7 +41,7 @@ class NotificationFacade
       token: token, 
       title: parsedSubject.title, 
       message: message,
-      priority: priority, 
+      priority: Number(priority) || 0,
       sound: parsedSubject.sound,
       timestamp: this.dateTimeProvider.unixTimestamp(),
       url: new URL('/#/n/' + token, this.publicUrl).href
diff --git a/src/transport/pushover.js b/src/transport/pushover.js
index 5f077f9..35b462b 100644
--- a/src/transport/pushover.js
+++ b/src/transport/pushover.js
@@ -20,6 +20,12 @@ class PushoverTransport
       if (notification.sound)
         data.sound = notification.sound;
 
+      if (notification.priority === 2)
+      {
+        data.retry = 300;
+        data.expire = 3600;
+      }
+
       const response = await axios.post("https://api.pushover.net/1/messages.json", data);
       logger.verbose(`Pushover API returned status code ${response.status}`);