diff --git a/web/src/lib/tinode/connection.ts b/web/src/lib/tinode/connection.ts
index 5b076958..33870422 100644
--- a/web/src/lib/tinode/connection.ts
+++ b/web/src/lib/tinode/connection.ts
@@ -173,7 +173,7 @@ function installOutgoingPacketPatches(t: Tinode) {
         const parsed = JSON.parse(msg);
         if (parsed.login && parsed.login.scheme === 'basic') {
           const tenantCode = useSessionStore.getState().tenant?.code || 'default';
-          parsed.login.login_type = tenantCode.toLowerCase() === 'default' ? 1 : 0;
+          parsed.login.login_type = tenantCode.trim().toLowerCase() === 'default' ? 1 : 0;
           msg = JSON.stringify(parsed);
         }
       } catch {