diff --git a/lib/files/node/node.php b/lib/files/node/node.php
index a71f78750645e03be922419727bf4eaa2f493185..a1db042c25c7063d223161c6559401449e2664e9 100644
--- a/lib/files/node/node.php
+++ b/lib/files/node/node.php
@@ -56,7 +56,7 @@ class Node {
 	 * @return bool
 	 */
 	protected function checkPermissions($permissions) {
-		return ($this->getPermissions() & $permissions) == $permissions;
+		return ($this->getPermissions() & $permissions) === $permissions;
 	}
 
 	/**