diff --git a/v2/internal/frontend/desktop/windows/dialog.go b/v2/internal/frontend/desktop/windows/dialog.go
index 7aca42894..573325886 100644
--- a/v2/internal/frontend/desktop/windows/dialog.go
+++ b/v2/internal/frontend/desktop/windows/dialog.go
@@ -121,6 +121,10 @@ func (f *Frontend) SaveFileDialog(options frontend.SaveDialogOptions) (string, e
 		Folder:      defaultFolder,
 	}
 
+	if len(options.Filters) > 0 {
+		config.DefaultExtension = strings.TrimPrefix(strings.Split(options.Filters[0].Pattern, ";")[0], "*")
+	}
+
 	result, err := f.showCfdDialog(
 		func() (cfd.Dialog, error) {
 			return cfd.NewSaveFileDialog(config)
diff --git a/website/src/pages/changelog.mdx b/website/src/pages/changelog.mdx
index 7f409ca27..c24d93e80 100644
--- a/website/src/pages/changelog.mdx
+++ b/website/src/pages/changelog.mdx
@@ -26,6 +26,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Docs for IsZoomControlEnabled and ZoomFactor. Fixed by @leaanthony in [PR](https://github.com/wailsapp/wails/pull/3137)
 - Fixed `-compiler` flag for `wails build`, `wails dev` and `wails generate module`. Fixed in [PR](https://github.com/wailsapp/wails/pull/3121) by [@xtrafrancyz](https://github.com/xtrafrancyz)
 - Fixed uninitialized `SecondInstanceData.WorkingDirectory` on linux and windows ([#3154](https://github.com/wailsapp/wails/pull/3154)).
+- Fixed save file dialog not appending file extension automatically on Windows by @almas1992 in [PR](https://github.com/wailsapp/wails/pull/3205)
 
 ## v2.7.1 - 2023-12-10