diff --git a/Sources/Parser.php b/Sources/Parser.php
index d904229f87..c44e38d102 100644
--- a/Sources/Parser.php
+++ b/Sources/Parser.php
@@ -525,6 +525,7 @@ protected function setDisabled(): void
 			$this->disabled['iurl'] = true;
 			$this->disabled['email'] = true;
 			$this->disabled['flash'] = true;
+			$this->disabled['youtube'] = true;
 
 			// @todo Change maybe?
 			if (!isset($_GET['images'])) {