diff --git a/htdocs/hrm/position.php b/htdocs/hrm/position.php
index 0fcc817c8c9..f17676dc5d9 100644
--- a/htdocs/hrm/position.php
+++ b/htdocs/hrm/position.php
@@ -479,7 +479,7 @@ function DisplayPositionList()
 	} else {
 		$sql .= " WHERE 1 = 1";
 	}
-	$sql .= " AND t.fk_job =  " . $fk_job . " ";
+	$sql .= " AND t.fk_job =  " . ((int) $fk_job) . " ";
 
 	foreach ($search as $key => $val) {
 		if (array_key_exists($key, $object->fields)) {
diff --git a/htdocs/hrm/skill_card.php b/htdocs/hrm/skill_card.php
index 7d45ab152a0..c0d3d67ccab 100644
--- a/htdocs/hrm/skill_card.php
+++ b/htdocs/hrm/skill_card.php
@@ -627,7 +627,7 @@ if ($action != "create" && $action != "edit") {
 	}
 
 	if (!empty($id)) {
-		$sql .= " AND fk_skill = " . $id . " ";
+		$sql .= " AND fk_skill = " . ((int) $id) . " ";
 	}
 
 	// if total of record found is smaller than limit, no need to do paging and to restart another select with limits set.