diff --git a/modules/contacts/setup.php b/modules/contacts/setup.php
index b8e136a2f1..0a00bf9f85 100644
--- a/modules/contacts/setup.php
+++ b/modules/contacts/setup.php
@@ -59,7 +59,7 @@
         'contact_email' => FILTER_DEFAULT,
         'contact_name' => FILTER_DEFAULT,
         'contact_phone' => FILTER_DEFAULT,
-        'contact_id' => FILTER_VALIDATE_INT,
+        'contact_id' => FILTER_DEFAULT,
         'contact_value' => FILTER_DEFAULT,
         'edit_contact' => FILTER_DEFAULT,
         'add_contact' => FILTER_DEFAULT,
@@ -70,7 +70,6 @@
         'contact_name' => FILTER_SANITIZE_FULL_SPECIAL_CHARS,
         'contact_phone' => FILTER_SANITIZE_FULL_SPECIAL_CHARS,
         'contact_group' => FILTER_SANITIZE_FULL_SPECIAL_CHARS,
-        'contact_id' => FILTER_VALIDATE_INT,
         'contact_value' => FILTER_SANITIZE_FULL_SPECIAL_CHARS,
         'edit_contact' => FILTER_SANITIZE_FULL_SPECIAL_CHARS,
         'add_contact' => FILTER_SANITIZE_FULL_SPECIAL_CHARS,