diff --git a/Source/MSBuildTools.Unity/Packages/com.microsoft.msbuildforunity/Editor/ProjectGenerator/Scripts/MSBuildTools.cs b/Source/MSBuildTools.Unity/Packages/com.microsoft.msbuildforunity/Editor/ProjectGenerator/Scripts/MSBuildTools.cs
index e7ac786..b3c38fd 100644
--- a/Source/MSBuildTools.Unity/Packages/com.microsoft.msbuildforunity/Editor/ProjectGenerator/Scripts/MSBuildTools.cs
+++ b/Source/MSBuildTools.Unity/Packages/com.microsoft.msbuildforunity/Editor/ProjectGenerator/Scripts/MSBuildTools.cs
@@ -84,6 +84,8 @@ public bool AutoGenerateEnabled
 
         private void Save()
         {
+            // Ensure directory exists first
+            Directory.CreateDirectory(Path.GetDirectoryName(MSBuildSettingsFilePath));
             File.WriteAllText(MSBuildSettingsFilePath, EditorJsonUtility.ToJson(this));
         }