diff --git a/apps/user_ldap/lib/User/User.php b/apps/user_ldap/lib/User/User.php
index ea4e932fed9..e818a5024b1 100644
--- a/apps/user_ldap/lib/User/User.php
+++ b/apps/user_ldap/lib/User/User.php
@@ -579,7 +579,7 @@ class User {
 
 
 		//make sure it is a square and not bigger than 128x128
-		$size = min([$this->image->width(), $this->image->height(), 128]);
+		$size = min([$this->image->width(), $this->image->height(), 512]);
 		if (!$this->image->centerCrop($size)) {
 			$this->logger->error('croping image for avatar failed for '.$this->dn, ['app' => 'user_ldap']);
 			return false;