diff --git a/lib/helpers/api_helper.dart b/lib/helpers/api_helper.dart
index 67836bf..5ae65bd 100644
--- a/lib/helpers/api_helper.dart
+++ b/lib/helpers/api_helper.dart
@@ -174,7 +174,8 @@ class ApiHelper {
         );
       }
 
-      final name = json.decode(profile.body)["displayname"];
+      final fullName = (json.decode(profile.body)["displayname"] as String);
+      final name = fullName.length <= 20 ? fullName : fullName.substring(0, 20);
 
       return Response.ok(
         jsonEncode({