diff --git a/packages/generators/src/app/templates/declarations.tpl.ts b/packages/generators/src/app/templates/declarations.tpl.ts
index afdef9060d..70c1da3628 100644
--- a/packages/generators/src/app/templates/declarations.tpl.ts
+++ b/packages/generators/src/app/templates/declarations.tpl.ts
@@ -13,7 +13,7 @@ ${
     : `import { ApplicationConfiguration } from './configuration'`
 }
 
-export { NextFunction }
+export type { NextFunction }
 
 // The types for app.get(name) and app.set(name)
 // eslint-disable-next-line @typescript-eslint/no-empty-interface
diff --git a/packages/generators/src/authentication/templates/declarations.tpl.ts b/packages/generators/src/authentication/templates/declarations.tpl.ts
index a1681ca7f3..d9911a71f0 100644
--- a/packages/generators/src/authentication/templates/declarations.tpl.ts
+++ b/packages/generators/src/authentication/templates/declarations.tpl.ts
@@ -28,7 +28,11 @@ export const generate = (ctx: AuthenticationGeneratorContext) =>
     .then(
       when(
         (ctx) => ctx.language === 'ts',
-        inject(importTemplate, before('export { NextFunction }'), toDeclarationFile)
+        inject(
+          importTemplate,
+          before(/export \{ NextFunction \}|export type \{ NextFunction \}/),
+          toDeclarationFile
+        )
       )
     )
     .then(when((ctx) => ctx.language === 'ts', inject(paramsTemplate, append(), toDeclarationFile)))