diff --git a/htdocs/adherents/card.php b/htdocs/adherents/card.php
index 0284155ddc1..0776a86d7d9 100644
--- a/htdocs/adherents/card.php
+++ b/htdocs/adherents/card.php
@@ -446,7 +446,7 @@ if (empty($reshook))
 		}
 
 		$typeid=GETPOST("typeid",'int');
-		$civility_id=GETPOST("civility_id",'int');
+		$civility_id=GETPOST("civility_id",'alpha');
 		$lastname=GETPOST("lastname",'alpha');
 		$firstname=GETPOST("firstname",'alpha');
 		$societe=GETPOST("societe",'alpha');