diff --git a/src/Entities/Message.php b/src/Entities/Message.php
index c7c8b3d7..4c86d660 100644
--- a/src/Entities/Message.php
+++ b/src/Entities/Message.php
@@ -136,7 +136,7 @@ protected function subEntities(): array
      */
     public function getFullCommand(): ?string
     {
-        $text = $this->getProperty('text');
+        $text = $this->getProperty('text') ?? '';
         if (strpos($text, '/') !== 0) {
             return null;
         }