diff --git a/htdocs/don/class/paymentdonation.class.php b/htdocs/don/class/paymentdonation.class.php
index 5e7a2fdad6f..22b75cd777b 100644
--- a/htdocs/don/class/paymentdonation.class.php
+++ b/htdocs/don/class/paymentdonation.class.php
@@ -300,7 +300,7 @@ class PaymentDonation extends CommonObject
 		$sql.= " fk_bank=".(isset($this->fk_bank)?$this->fk_bank:"null").",";
 		$sql.= " fk_user_creat=".(isset($this->fk_user_creat)?$this->fk_user_creat:"null").",";
 		$sql.= " fk_user_modif=".(isset($this->fk_user_modif)?$this->fk_user_modif:"null")."";
-		$sql.= " WHERE rowid=".$this->id;
+		$sql.= " WHERE rowid=".(int) $this->id;
 
 		$this->db->begin();
 
@@ -361,7 +361,7 @@ class PaymentDonation extends CommonObject
 	    if (! $error)
         {
             $sql = "DELETE FROM ".MAIN_DB_PREFIX."bank_url";
-            $sql.= " WHERE type='payment_donation' AND url_id=".$this->id;
+            $sql.= " WHERE type='payment_donation' AND url_id=".(int) $this->id;
 
             dol_syslog(get_class($this)."::delete", LOG_DEBUG);
             $resql = $this->db->query($sql);
@@ -375,7 +375,10 @@ class PaymentDonation extends CommonObject
 
 			dol_syslog(get_class($this)."::delete", LOG_DEBUG);
 			$resql = $this->db->query($sql);
-			if (! $resql) { $error++; $this->errors[]="Error ".$this->db->lasterror(); }
+			if (! $resql) {
+				$error++;
+				$this->errors[]="Error ".$this->db->lasterror();
+			}
 		}
 
 		if (! $error)
@@ -612,7 +615,7 @@ class PaymentDonation extends CommonObject
 	public function update_fk_bank($id_bank)
 	{
         // phpcs:enable
-		$sql = "UPDATE ".MAIN_DB_PREFIX."payment_donation SET fk_bank = ".$id_bank." WHERE rowid = ".(int) $this->id;
+		$sql = "UPDATE ".MAIN_DB_PREFIX."payment_donation SET fk_bank = ".(int) $id_bank." WHERE rowid = ".(int) $this->id;
 
 		dol_syslog(get_class($this)."::update_fk_bank", LOG_DEBUG);
 		$result = $this->db->query($sql);