diff --git a/htdocs/core/class/extrafields.class.php b/htdocs/core/class/extrafields.class.php
index 384d4f1fba4..1fbadc2ee81 100644
--- a/htdocs/core/class/extrafields.class.php
+++ b/htdocs/core/class/extrafields.class.php
@@ -2084,13 +2084,21 @@ class ExtraFields
 
 				$enabled = 1;
 				if (isset($this->attributes[$object->table_element]['list'][$key])) {
-					$enabled = dol_eval($this->attributes[$object->table_element]['list'][$key], 1);
+					$enabled = intval(dol_eval($this->attributes[$object->table_element]['list'][$key], 1));
 				}
 				$perms = 1;
 				if (isset($this->attributes[$object->table_element]['perms'][$key])) {
 					$perms = dol_eval($this->attributes[$object->table_element]['perms'][$key], 1);
 				}
-				if (empty($enabled)) {
+				if (
+					empty($enabled)
+					|| (
+						$onlykey === '@GETPOSTISSET'
+						&& in_array($this->attributes[$object->table_element]['type'][$key], array('boolean', 'chkbxlst'))
+						&& in_array(abs($enabled), array(2, 5))
+						&& ! GETPOSTISSET('options_' . $key) // Update hidden checkboxes and multiselect only if they are provided
+					)
+				) {
 					continue;
 				}
 				if (empty($perms)) {