diff --git a/src/main/scala/gitbucket/core/service/AccountFederationService.scala b/src/main/scala/gitbucket/core/service/AccountFederationService.scala
index 6ee84d2..bfb574c 100644
--- a/src/main/scala/gitbucket/core/service/AccountFederationService.scala
+++ b/src/main/scala/gitbucket/core/service/AccountFederationService.scala
@@ -34,7 +34,7 @@
         None
       case None =>
         findAvailableUserName(preferredUserName, mailAddress) flatMap { userName =>
-          createAccount(userName, "", fullName.getOrElse(userName), mailAddress, isAdmin = false, None, None)
+          createAccount(userName, "[DUMMY]", fullName.getOrElse(userName), mailAddress, isAdmin = false, None, None)
           createAccountFederation(issuer, subject, userName)
           getAccountByUserName(userName)
         }
diff --git a/src/test/scala/gitbucket/core/service/AccountFederationServiceSpec.scala b/src/test/scala/gitbucket/core/service/AccountFederationServiceSpec.scala
index fabc3db..4f0fe2d 100644
--- a/src/test/scala/gitbucket/core/service/AccountFederationServiceSpec.scala
+++ b/src/test/scala/gitbucket/core/service/AccountFederationServiceSpec.scala
@@ -9,7 +9,7 @@
       withTestDB { implicit session =>
         val actual = AccountFederationService.getOrCreateFederatedUser("someIssuer", "someSubject", "dummy@example.com", Some("foo"), Some("Foo"))
         assert(actual.get.userName == "foo")
-        assert(actual.get.password == "")
+        assert(actual.get.password == "[DUMMY]")
         assert(actual.get.fullName == "Foo")
         assert(actual.get.mailAddress == "dummy@example.com")
         assert(!actual.get.isAdmin)