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 d670125e00e61121a631d63aa9023638bf0ab8da..d77fce4bc1f2a874fb9cc266530c7ca7258ef3d3 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
@@ -370,8 +370,14 @@ class LoginFragment: Fragment() {
                     setupFcm()
                 }
             } else {
-                // 失敗したらログイン画面
-                whenAuthorizationFails(ex)
+                // キャンセルした場合は何もせずログイン画面へ遷移、失敗したらダイアログを表示してログイン画面へ遷移
+                if (ex?.code == AuthorizationException.GeneralErrors.USER_CANCELED_AUTH_FLOW.code) {
+                    whenAuthorizationFails(ex)
+                } else {
+                    requireActivity().runOnUiThread {
+                        loginAlert(R.string.login_alert_msg)
+                    }
+                }
             }
         })
         Log.d(TAG, "return handleAuthorizationResponse()")