diff --git a/include/init.inc.php b/include/init.inc.php
index e51aae7..3e666df 100755
--- a/include/init.inc.php
+++ b/include/init.inc.php
@@ -28,6 +28,9 @@ $db=new DB($_config['db_connect'],$_config['db_user'],$_config['db_pass'],0);
 if(!$db) die("Could not connect to the DB backend.");
 if (!extension_loaded("openssl") && !defined("OPENSSL_KEYTYPE_EC")) api_err("Openssl php extension missing");
 if (!extension_loaded("gmp")) api_err("gmp php extension missing");
+if (!extension_loaded('PDO')) api_err("pdo php extension missing");
+
+
 
 if(floatval(phpversion())<7.2) api_err("The minimum php version required is 7.2");
 
diff --git a/peer.php b/peer.php
index cdea799..3950c13 100755
--- a/peer.php
+++ b/peer.php
@@ -58,7 +58,10 @@ if($q=="peer"){
     
     $res=peer_post($hostname."/peer.php?q=peer",array("hostname"=>$_config['hostname']));
     if($res!==false) api_echo("re-peer-ok");
-    else api_err("re-peer failed - $result");
+    else{ 
+        $db->run("DELETE FROM peers WHERE ip=:ip",array(":ip"=>$ip));
+        api_err("re-peer failed - $result");
+    }
 }
 elseif($q=="ping"){
     api_echo("pong");