diff --git a/src/slic3r/GUI/GUI_Preview.cpp b/src/slic3r/GUI/GUI_Preview.cpp
index 8bda3b8e6..224ccfc36 100644
--- a/src/slic3r/GUI/GUI_Preview.cpp
+++ b/src/slic3r/GUI/GUI_Preview.cpp
@@ -677,12 +677,11 @@ void Preview::update_layers_slider(const std::vector<double>& layers_z, bool kee
                     _u8L("NOTE:") + "\n" + _u8L("Sliced object looks like the sign") + "\n",
                     _u8L("Apply auto color change to print"),
                     [this, notif_mngr](wxEvtHandler*) {
-                        notif_mngr->close_notification_of_type(NotificationType::SignDetected);
                         m_layers_slider->auto_color_change();
                         return true;
                     });
 
-                notif_mngr->set_in_preview(true);
+                notif_mngr->apply_in_preview();
 
                 break;
             }
diff --git a/src/slic3r/GUI/NotificationManager.cpp b/src/slic3r/GUI/NotificationManager.cpp
index 358f709a7..e83a0014c 100644
--- a/src/slic3r/GUI/NotificationManager.cpp
+++ b/src/slic3r/GUI/NotificationManager.cpp
@@ -1014,7 +1014,7 @@ void NotificationManager::push_plater_warning_notification(const std::string& te
 	auto notification = std::make_unique<NotificationManager::PlaterWarningNotification>(data, m_id_provider, m_evt_handler);
 	push_notification_data(std::move(notification), 0);
 	// dissaper if in preview
-	set_in_preview(m_in_preview);
+	apply_in_preview();
 }
 
 void NotificationManager::close_plater_warning_notification(const std::string& text)
diff --git a/src/slic3r/GUI/NotificationManager.hpp b/src/slic3r/GUI/NotificationManager.hpp
index 83d94d907..4f3900aeb 100644
--- a/src/slic3r/GUI/NotificationManager.hpp
+++ b/src/slic3r/GUI/NotificationManager.hpp
@@ -159,8 +159,10 @@ public:
 	void render_notifications(GLCanvas3D& canvas, float overlay_width);
 	// finds and closes all notifications of given type
 	void close_notification_of_type(const NotificationType type);
-	// Which view is active? Plater or G-code preview? Hide warnings in G-code preview.
+	// Hides warnings in G-code preview. Should be called from plater only when 3d view/ preview is changed
     void set_in_preview(bool preview);
+	// Calls set_in_preview to apply appearing or disappearing of some notificatons;
+	void apply_in_preview() { set_in_preview(m_in_preview); }
 	// Move to left to avoid colision with variable layer height gizmo.
 	void set_move_from_overlay(bool move) { m_move_from_overlay = move; }
 	// perform update_state on each notification and ask for more frames if needed, return true for render needed