diff --git a/htdocs/core/class/extrafields.class.php b/htdocs/core/class/extrafields.class.php
index feb0fd54b15..9f0514fc282 100644
--- a/htdocs/core/class/extrafields.class.php
+++ b/htdocs/core/class/extrafields.class.php
@@ -703,6 +703,10 @@ class ExtraFields
 					}
 					dol_syslog(get_class($this).'::update', LOG_DEBUG);
 					$resql = $this->db->query($sql, 1, 'dml');
+					if ($resql < 0) {
+						$this->error = $this->db->lasterror();
+						return -1;
+					}
 					return 1;
 				} else {
 					$this->error = $this->db->lasterror();