diff --git a/SeedDMS_Core/Core/inc.ClassDMS.php b/SeedDMS_Core/Core/inc.ClassDMS.php
index 52ec433b0..02a164b38 100644
--- a/SeedDMS_Core/Core/inc.ClassDMS.php
+++ b/SeedDMS_Core/Core/inc.ClassDMS.php
@@ -665,7 +665,7 @@ class SeedDMS_Core_DMS {
 	 * If the parameter $date is a negative number or a date in the past, then
 	 * all documents from the start of that date till the end of the current
 	 * day will be returned. If $date is a positive integer or $date is a
-	 * date in the future, the all documents from the start of the current
+	 * date in the future, then all documents from the start of the current
 	 * day till the end of the day of the given date will be returned.
 	 * Passing 0 or the
 	 * current date in $date, will return all documents expiring the current
@@ -692,7 +692,9 @@ class SeedDMS_Core_DMS {
 		} elseif(is_string($date)) {
 			$tmp = explode('-', $date, 3);
 			if(count($tmp) != 3)
-				return false;
+                return false;
+            if(!self::checkDate($date, 'Y-m-d'))
+                return false;
 			$ts = mktime(0, 0, 0, $tmp[1], $tmp[2], $tmp[0]);
 		} else
 			return false;