diff --git a/Editor/DefinitionCreatorEditor.cs b/Editor/DefinitionCreatorEditor.cs
index f1257a5..2472678 100644
--- a/Editor/DefinitionCreatorEditor.cs
+++ b/Editor/DefinitionCreatorEditor.cs
@@ -142,8 +142,9 @@ namespace Syntriax.Modules.Movement.Editor
             string jsonText = JsonUtility.ToJson(definition, true);
             string path = $"Assets/Resources/{MovementDefinitionFactory.ResourceDirectoryToDefinitions}{definition.Name}.json";
 
-            if (!EditorUtility.DisplayDialog("Conflict", $"\"{path}\" already exists, do you want to overwrite?", "Overwrite", "Cancel"))
-                return;
+            if (System.IO.File.Exists($"{Application.dataPath}/Resources/{MovementDefinitionFactory.ResourceDirectoryToDefinitions}{definition.Name}.json"))
+                if (!EditorUtility.DisplayDialog("Conflict", $"\"{path}\" already exists, do you want to overwrite?", "Overwrite", "Cancel"))
+                    return;
 
             System.IO.File.WriteAllText(path, jsonText);
             AssetDatabase.Refresh();