diff --git a/app/src/main/java/jp/atled/agileworks/view/ui/DirectOpenDocumentActivity.kt b/app/src/main/java/jp/atled/agileworks/view/ui/DirectOpenDocumentActivity.kt
index 2cea52c11d1bcaba36a7e51d86cdf0c1a103def7..fb85145013b4416222b00d6ae1352ca528a74072 100644
--- a/app/src/main/java/jp/atled/agileworks/view/ui/DirectOpenDocumentActivity.kt
+++ b/app/src/main/java/jp/atled/agileworks/view/ui/DirectOpenDocumentActivity.kt
@@ -66,7 +66,7 @@ class DirectOpenDocumentActivity : BaseActivity() {
     companion object {
         fun start(context: Context, arguments: Bundle?) = context.startActivity(startIntent(context, arguments))
 
-        private fun startIntent(context: Context, bundle: Bundle?): Intent = Intent(context, DirectOpenDocumentActivity::class.java).addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP).apply {
+        private fun startIntent(context: Context, bundle: Bundle?): Intent = Intent(context, DirectOpenDocumentActivity::class.java).addFlags(Intent.FLAG_ACTIVITY_NEW_TASK).apply {
             setupForDirectOpen(bundle)
         }
     }