diff --git a/src/slic3r/GUI/NotificationManager.cpp b/src/slic3r/GUI/NotificationManager.cpp
index 062ee9d83..27daaf0c3 100644
--- a/src/slic3r/GUI/NotificationManager.cpp
+++ b/src/slic3r/GUI/NotificationManager.cpp
@@ -1906,7 +1906,7 @@ void NotificationManager::push_slicing_error_notification(const std::string &tex
 	push_notification_data({ NotificationType::SlicingError, NotificationLevel::ErrorNotificationLevel, 0,  _u8L("Error:") + "\n" + text, link, callback }, 0);
 	set_slicing_progress_hidden();
 }
-void NotificationManager::push_slicing_warning_notification(const std::string& text, bool gray, ModelObject const * obj, ObjectID oid, int warning_step, int warning_msg_id)
+void NotificationManager::push_slicing_warning_notification(const std::string& text, bool gray, ModelObject const * obj, ObjectID oid, int warning_step, int warning_msg_id, NotificationLevel level/* = NotificationLevel::WarningNotificationLevel*/)
 {
     auto callback = obj ? [id = obj->id()](wxEvtHandler *) {
 		auto & objects = wxGetApp().model().objects;
@@ -1919,7 +1919,7 @@ void NotificationManager::push_slicing_warning_notification(const std::string& t
 	} : std::function<bool(wxEvtHandler *)>();
     auto link = callback ? _u8L("Jump to") : "";
     if (obj) link += std::string(" [") + obj->name + "]";
-	NotificationData data { NotificationType::SlicingWarning, NotificationLevel::WarningNotificationLevel, 0,  _u8L("Warning:") + "\n" + text, link, callback };
+	NotificationData data { NotificationType::SlicingWarning, level, 0,  _u8L("Warning:") + "\n" + text, link, callback };
 
 	data.sub_msg_id = warning_msg_id;
 	data.ori_text = text;
diff --git a/src/slic3r/GUI/NotificationManager.hpp b/src/slic3r/GUI/NotificationManager.hpp
index 9aa53c1e0..51b6011ce 100644
--- a/src/slic3r/GUI/NotificationManager.hpp
+++ b/src/slic3r/GUI/NotificationManager.hpp
@@ -203,7 +203,7 @@ public:
 	// Creates Slicing Error notification with a custom text and no fade out.
     void push_slicing_error_notification(const std::string &text, std::vector<ModelObject const *> objs);
 	// Creates Slicing Warning notification with a custom text and no fade out.
-    void push_slicing_warning_notification(const std::string &text, bool gray, ModelObject const *obj, ObjectID oid, int warning_step, int warning_msg_id);
+    void push_slicing_warning_notification(const std::string &text, bool gray, ModelObject const *obj, ObjectID oid, int warning_step, int warning_msg_id, NotificationLevel level = NotificationLevel::WarningNotificationLevel);
 	// marks slicing errors as gray
 	void set_all_slicing_errors_gray(bool g);
 	// marks slicing warings as gray
diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index c7e45629f..5f443875a 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -6017,7 +6017,11 @@ void Plater::priv::on_slicing_update(SlicingStatusEvent &evt)
         // Now process state.warnings.
         for (auto const& warning : state.warnings) {
             if (warning.current) {
-                notification_manager->push_slicing_warning_notification(warning.message, false, model_object, object_id, warning_step, warning.message_id);
+                NotificationManager::NotificationLevel notif_level = NotificationManager::NotificationLevel::WarningNotificationLevel;
+                if (evt.status.message_type == PrintStateBase::SlicingNotificationType::SlicingReplaceInitEmptyLayers | PrintStateBase::SlicingNotificationType::SlicingEmptyGcodeLayers) {
+                    notif_level = NotificationManager::NotificationLevel::SeriousWarningNotificationLevel;
+                }
+                notification_manager->push_slicing_warning_notification(warning.message, false, model_object, object_id, warning_step, warning.message_id, notif_level);
                 add_warning(warning, object_id.id);
             }
         }