diff --git a/src/slic3r/GUI/Tab.cpp b/src/slic3r/GUI/Tab.cpp
index 17da824fc7..978ce331ad 100644
--- a/src/slic3r/GUI/Tab.cpp
+++ b/src/slic3r/GUI/Tab.cpp
@@ -1404,7 +1404,7 @@ void Tab::on_value_change(const std::string& opt_key, const boost::any& value)
     // reload scene to update timelapse wipe tower
     if (opt_key == "timelapse_type") {
         bool wipe_tower_enabled = m_config->option<ConfigOptionBool>("enable_prime_tower")->value;
-        if (!wipe_tower_enabled && boost::any_cast<int>(value) == int(TimelapseType::tlSmooth)) {
+        if (!wipe_tower_enabled && boost::any_cast<TimelapseType>(value) == TimelapseType::tlSmooth) {
             MessageDialog dlg(wxGetApp().plater(), _L("Prime tower is required for smooth timelapse. There may be flaws on the model without prime tower. Do you want to enable prime tower?"),
                               _L("Warning"), wxICON_WARNING | wxYES | wxNO);
             if (dlg.ShowModal() == wxID_YES) {