diff --git a/classes/Validate.php b/classes/Validate.php
index 43ba66921..1106087a8 100644
--- a/classes/Validate.php
+++ b/classes/Validate.php
@@ -490,7 +490,7 @@ class ValidateCore
 			return true;
 		if (preg_match('/^([0-9]{4})-((0?[1-9])|(1[0-2]))-((0?[1-9])|([1-2][0-9])|(3[01]))( [0-9]{2}:[0-9]{2}:[0-9]{2})?$/', $date, $birth_date))
 		{
-			if ($birth_date[1] >= date('Y') - 9)
+			if ($birth_date[1] > date('Y') || $birth_date[2] > date('m') || $birth_date[3] > date('d'))
 				return false;
 			return true;
 		}