diff --git a/frontend/nuxt.config.ts b/frontend/nuxt.config.ts
index 6d798c6..6f3d7bb 100644
--- a/frontend/nuxt.config.ts
+++ b/frontend/nuxt.config.ts
@@ -100,13 +100,13 @@ export default defineNuxtConfig({
                     src: "/logo/logo-192x192.png",
                     sizes: "192x192",
                     type: "image/png",
-                    purpose: "maskable",
+                    purpose: "monochrome",
                 },
                 {
                     src: "/logo/logo-512x512.png",
                     sizes: "512x512",
                     type: "image/png",
-                    purpose: "maskable",
+                    purpose: "monochrome",
                 },
             ],
         },