diff --git a/apps/user_ldap/lib/Wizard.php b/apps/user_ldap/lib/Wizard.php
index 6c3e35c10bcac..9032f60a4c0a2 100644
--- a/apps/user_ldap/lib/Wizard.php
+++ b/apps/user_ldap/lib/Wizard.php
@@ -1378,7 +1378,7 @@ private function getPortSettingsToTry() {
 				$portSettings[] = ['port' => $port, 'tls' => true];
 			}
 			$portSettings[] = ['port' => $port, 'tls' => false];
-		} elseif ($port === 0) {
+		} elseif ($this->configuration->usesLdapi()) {
 			$portSettings[] = ['port' => '', 'tls' => false];
 		}