1 files changed, 2 insertions, 0 deletions
diff --git a/src/gui/login.cpp b/src/gui/login.cpp
index d69865f8..6c610e1d 100644
--- a/src/gui/login.cpp
+++ b/src/gui/login.cpp
@@ -167,6 +167,8 @@ void LoginDialog::action(const std::string& eventId)
             new OkDialog("Error", "Enter a username first");
         } else if (user.length() < 4) {
             new OkDialog("Error", "The username needs to be at least 4 characters");
+        } else if (user.length() > LEN_USERNAME -1 ) {
+            new OkDialog("Error", "The username needs to be less than 25 characters long.");
         } else {
             server_login(user + "_M", passField->getText());
             close_session();