diff --git a/SeedDMS_Core/Core/inc.ClassDocument.php b/SeedDMS_Core/Core/inc.ClassDocument.php
index d9ca707bf..4b2f9e89b 100644
--- a/SeedDMS_Core/Core/inc.ClassDocument.php
+++ b/SeedDMS_Core/Core/inc.ClassDocument.php
@@ -5550,9 +5550,18 @@ class SeedDMS_Core_DocumentLink { /* {{{ */
 		$this->_document = $document;
 		$this->_target = $target;
 		$this->_userID = $userID;
-		$this->_public = $public;
+		$this->_public = $public ? true : false;
 	}
 
+	/**
+	 * Check if this object is of type 'documentlink'.
+	 *
+	 * @param string $type type of object
+	 */
+	public function isType($type) { /* {{{ */
+		return $type == 'documentlink';
+	} /* }}} */
+
 	/**
 	 * @return int
 	 */
@@ -5725,9 +5734,18 @@ class SeedDMS_Core_DocumentFile { /* {{{ */
 		$this->_orgFileName = $orgFileName;
 		$this->_name = $name;
 		$this->_version = $version;
-		$this->_public = $public;
+		$this->_public = $public ? true : false;
 	}
 
+	/**
+	 * Check if this object is of type 'documentfile'.
+	 *
+	 * @param string $type type of object
+	 */
+	public function isType($type) { /* {{{ */
+		return $type == 'documentfile';
+	} /* }}} */
+
 	/**
 	 * @return int
 	 */