diff --git a/SeedDMS_Core/Core/inc.ClassDocument.php b/SeedDMS_Core/Core/inc.ClassDocument.php
index fa62635ea..8d264bdb2 100644
--- a/SeedDMS_Core/Core/inc.ClassDocument.php
+++ b/SeedDMS_Core/Core/inc.ClassDocument.php
@@ -790,11 +790,16 @@ class SeedDMS_Core_Document extends SeedDMS_Core_Object { /* {{{ */
 	/**
 	 * Check if the document has expired
 	 *
+	 * The method expects to database field 'expired' to hold the timestamp
+	 * of the start of day at which end the document expires. The document will
+	 * expire if that day is over. Hence, a document will *not* 
+	 * be expired during the day of expiration but at the end of that day
+	 *
 	 * @return boolean true if document has expired otherwise false
 	 */
 	function hasExpired() { /* {{{ */
 		if (intval($this->_expires) == 0) return false;
-		if (time()>$this->_expires+24*60*60) return true;
+		if (time()>=$this->_expires+24*60*60) return true;
 		return false;
 	} /* }}} */