diff --git a/src/slic3r/GUI/GUI_App.cpp b/src/slic3r/GUI/GUI_App.cpp
index b08a2ef80..9333efb20 100644
--- a/src/slic3r/GUI/GUI_App.cpp
+++ b/src/slic3r/GUI/GUI_App.cpp
@@ -663,7 +663,7 @@ void GUI_App::post_init()
     }
 
     // show "Did you know" notification
-    if (app_config->get("show_hints") == "1")
+    if (app_config->get("show_hints") == "1" && ! is_gcode_viewer())
         plater_->get_notification_manager()->push_hint_notification();
 
     // The extra CallAfter() is needed because of Mac, where this is the only way