diff --git a/htdocs/comm/index.php b/htdocs/comm/index.php
index 609e43ff765..11accdb3f0a 100644
--- a/htdocs/comm/index.php
+++ b/htdocs/comm/index.php
@@ -512,10 +512,10 @@ if (!empty($conf->ficheinter->enabled)) {
 	$sql .= " AND f.fk_soc = s.rowid";
 	$sql .= " AND f.fk_statut = 0";
 	if ($socid) {
-		$sql .= " AND f.fk_soc = ".$socid;
+		$sql .= " AND f.fk_soc = ".((int) $socid);
 	}
 	if (!$user->rights->societe->client->voir && !$socid) {
-		$sql .= " AND s.rowid = sc.fk_soc AND sc.fk_user = ".$user->id;
+		$sql .= " AND s.rowid = sc.fk_soc AND sc.fk_user = ".((int) $user->id);
 	}
 
 	$resql = $db->query($sql);