diff --git a/frontend/plugins/axios.ts b/frontend/plugins/axios.ts
index 04e524b..296a285 100644
--- a/frontend/plugins/axios.ts
+++ b/frontend/plugins/axios.ts
@@ -16,7 +16,7 @@ export default defineNuxtPlugin(() => {
             !config.url?.includes(API_ENDPOINTS.auth.signin) &&
             !config.url?.includes(API_ENDPOINTS.account.send_otp)
         ) {
-            config.headers.Authorization = `Bearer ${token.value}`;
+            config.headers.Authorization = token.value ? `Bearer ${token.value}` : undefined;
         }
 
         return config;