diff --git a/Editor/ToolsWindowBase.cs b/Editor/ToolsWindowBase.cs
index 64c8bdf..d200732 100644
--- a/Editor/ToolsWindowBase.cs
+++ b/Editor/ToolsWindowBase.cs
@@ -77,6 +77,7 @@ namespace NegUtils.Editor
                     {
                         if(!EditorPrefs.GetBool("StartFromSceneIndex0"))
                             return;
+                        EditorSceneManager.SaveCurrentModifiedScenesIfUserWantsTo();
                         EditorPrefs.SetString("LastOpenedScenePath", EditorSceneManager.GetSceneManagerSetup()[0].path);
                         EditorSceneManager.OpenScene(EditorBuildSettings.scenes[0].path);
                     }