diff --git a/app/src/main/java/jp/atled/agileworks/view/ui/login/LoginFragment.kt b/app/src/main/java/jp/atled/agileworks/view/ui/login/LoginFragment.kt
index 5eb23f872038e0acd9e6f0b73ed733b7d3f5376c..d5f2d3954d0de39e699e23d3ea47602a9ad13b0a 100644
--- a/app/src/main/java/jp/atled/agileworks/view/ui/login/LoginFragment.kt
+++ b/app/src/main/java/jp/atled/agileworks/view/ui/login/LoginFragment.kt
@@ -260,9 +260,16 @@ class LoginFragment: Fragment() {
             if (ex != null) {
                 val m = Throwable().stackTrace[0]
                 Log.e(TAG, "${m}: ${ex}")
+                requireActivity().runOnUiThread {
+                    loginAlert(R.string.auth_biometric_failure_dialog_message)
+                }
             } else {
                 if (accessToken == null) {
+                    // Token更新に失敗した場合
                     Log.e(TAG, "accessToken is null")
+                    requireActivity().runOnUiThread {
+                        loginAlert(R.string.auth_biometric_failure_dialog_message)
+                    }
                 } else {
                     whenAuthorizationSucceeds()
                 }