diff --git a/htdocs/adherents/admin/member.php b/htdocs/adherents/admin/member.php
index f5b13cbb620..00d247d1d63 100644
--- a/htdocs/adherents/admin/member.php
+++ b/htdocs/adherents/admin/member.php
@@ -367,7 +367,7 @@ foreach ($arrayofmodules as $file => $modCodeMember) {
 	print '<td>'.$modCodeMember->info($langs).'</td>'."\n";
 	print '<td class="nowrap">'.$modCodeMember->getExample().'</td>'."\n";
 
-	if (getDolGlobalString('MEMBER_CODEMEMBER_ADDON') == "$file") {
+	if (getDolGlobalString('MEMBER_CODEMEMBER_ADDON', 'mod_member_simple') == "$file") {
 		print '<td class="center">'."\n";
 		print img_picto($langs->trans("Activated"), 'switch_on');
 		print "</td>\n";
diff --git a/htdocs/adherents/class/adherent.class.php b/htdocs/adherents/class/adherent.class.php
index 42798a0203a..d5fab4b50b3 100644
--- a/htdocs/adherents/class/adherent.class.php
+++ b/htdocs/adherents/class/adherent.class.php
@@ -712,23 +712,20 @@ class Adherent extends CommonObject
 			$id = $this->db->last_insert_id(MAIN_DB_PREFIX."adherent");
 			if ($id > 0) {
 				$this->id = $id;
-				if (getDolGlobalString('MEMBER_CODEMEMBER_ADDON') == '') {
-					// keep old numbering
-					$this->ref = (string) $id;
-				} else {
-					// auto code
-					$modfile = dol_buildpath('core/modules/member/'.getDolGlobalString('MEMBER_CODEMEMBER_ADDON').'.php', 0);
-					try {
-						require_once $modfile;
-						$modname = getDolGlobalString('MEMBER_CODEMEMBER_ADDON');
-						$modCodeMember = new $modname();
-						'@phan-var-force ModeleNumRefMembers $modCodeMember';
-						/** @var ModeleNumRefMembers $modCodeMember */
-						$this->ref = $modCodeMember->getNextValue($mysoc, $this);
-					} catch (Exception $e) {
-						dol_syslog($e->getMessage(), LOG_ERR);
-						$error++;
-					}
+
+				$modulenum = getDolGlobalString('MEMBER_CODEMEMBER_ADDON', 'mod_member_simple');
+
+				$modfile = dol_buildpath('core/modules/member/'.$modulenum.'.php', 0);
+				try {
+					require_once $modfile;
+					$modname = $modulenum;
+					$modCodeMember = new $modname();
+					'@phan-var-force ModeleNumRefMembers $modCodeMember';
+					/** @var ModeleNumRefMembers $modCodeMember */
+					$this->ref = $modCodeMember->getNextValue($mysoc, $this);
+				} catch (Exception $e) {
+					dol_syslog($e->getMessage(), LOG_ERR);
+					$error++;
 				}
 
 				// Update minor fields