diff --git a/contacts.go b/contacts.go
index e0c2b7c..21b8ac6 100644
--- a/contacts.go
+++ b/contacts.go
@@ -7,13 +7,13 @@ import "surdeus.su/core/amo/api"
 import "fmt"
 
 func (client *Client) GetContact(
-	contactId int,
+	contactID int,
 	opts ...urlenc.Builder,
 ) (*contacts.Contact, error) {
 	deal := new(contacts.Contact)
 	res := fmt.Sprintf(
 		"/api/v4/contacts/%d?%s",
-		contactId,
+		contactID,
 		urlenc.Join(opts...).Encode(),
 	)
 
@@ -58,7 +58,7 @@ func (client *Client) GetContacts(
 func (client *Client) UpdateContact(contact *contacts.Contact) error {
 	return client.updateEntity(
 		"/api/v4/contacts",
-		contact.Id,
+		contact.ID,
 		contact,
 	)
 }