diff --git a/snappymail/v/0.0.0/app/libraries/MailSo/Mime/Enumerations/MessagePriority.php b/snappymail/v/0.0.0/app/libraries/MailSo/Mime/Enumerations/MessagePriority.php
index cd340d10a..7b727fab7 100644
--- a/snappymail/v/0.0.0/app/libraries/MailSo/Mime/Enumerations/MessagePriority.php
+++ b/snappymail/v/0.0.0/app/libraries/MailSo/Mime/Enumerations/MessagePriority.php
@@ -18,12 +18,12 @@ namespace MailSo\Mime\Enumerations;
  */
 enum MessagePriority: int
 {
-	case LOWEST = 5;
-	case NORMAL = 3;
-	case HIGHEST = 1;
+	case Lowest = 5;
+	case Normal = 3;
+	case Highest = 1;
 
 	public function toMIME() : string
 	{
-		return $this->value . ' (' . \ucfirst(\strtolower($this->name)) . ')';
+		return $this->value . ' (' . $this->name . ')';
 	}
 }
diff --git a/snappymail/v/0.0.0/app/libraries/RainLoop/Actions/Messages.php b/snappymail/v/0.0.0/app/libraries/RainLoop/Actions/Messages.php
index be51a5756..c5a3937ae 100644
--- a/snappymail/v/0.0.0/app/libraries/RainLoop/Actions/Messages.php
+++ b/snappymail/v/0.0.0/app/libraries/RainLoop/Actions/Messages.php
@@ -903,7 +903,7 @@ trait Messages
 		}
 
 		if (!empty($this->GetActionParam('markAsImportant', 0))) {
-			$oMessage->SetPriority(\MailSo\Mime\Enumerations\MessagePriority::HIGHEST);
+			$oMessage->SetPriority(\MailSo\Mime\Enumerations\MessagePriority::Highest);
 		}
 
 		$oMessage->SetSubject($this->GetActionParam('subject', ''));