diff --git a/include/identity.php b/include/identity.php
index 66f7f569f9..5de5c919dc 100644
--- a/include/identity.php
+++ b/include/identity.php
@@ -656,7 +656,7 @@ function advanced_profile(App $a) {
 			$profile['birthday'] = array( t('Birthday:'), $val);
 
 		}
-		if ($a->profile['dob']
+		if (!empty($a->profile['dob'])
 			&& $a->profile['dob'] > '0001-01-01'
 			&& $age = age($a->profile['dob'], $a->profile['timezone'], '')
 		) {