diff --git a/include/ac_common.php b/include/ac_common.php
index c6d42e869..97ca10714 100644
--- a/include/ac_common.php
+++ b/include/ac_common.php
@@ -231,7 +231,7 @@ function isDate($p_date)
 	if (sizeof($l_date) != 3)
 	    return null;
 
-	if ($l_date[2] > 2020)
+	if ($l_date[2] > 2050)
 	{
 	    return null;
 	}