diff --git a/docs/src/content/docs/changelog.mdx b/docs/src/content/docs/changelog.mdx
index 43fd451da..591fcbc3e 100644
--- a/docs/src/content/docs/changelog.mdx
+++ b/docs/src/content/docs/changelog.mdx
@@ -140,6 +140,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Built-in service types are now consistently called `Service` by [@fbbdev](https://github.com/fbbdev) in [#4067](https://github.com/wailsapp/wails/pull/4067)
 - Built-in service creation functions with options are now consistently called `NewWithConfig` by [@fbbdev](https://github.com/fbbdev) in [#4067](https://github.com/wailsapp/wails/pull/4067)
 - `Select` method on `sqlite` service is now named `Query` for consistency with Go APIs by [@fbbdev](https://github.com/fbbdev) in [#4067](https://github.com/wailsapp/wails/pull/4067)
+- Calling `application.New` more than once will result in a fatal error by [@leaanthony](https://github.com/leaanthony)
 
 ## v3.0.0-alpha.9 - 2025-01-13
 
diff --git a/v3/pkg/application/application.go b/v3/pkg/application/application.go
index 21c0792cc..976c7d491 100644
--- a/v3/pkg/application/application.go
+++ b/v3/pkg/application/application.go
@@ -54,7 +54,7 @@ func Get() *App {
 
 func New(appOptions Options) *App {
 	if globalApplication != nil {
-		return globalApplication
+		globalApplication.fatal("application already created. You cannot create more than one application")
 	}
 
 	mergeApplicationDefaults(&appOptions)