diff --git a/changelog/unreleased/prevent-duplicate-accounts.md b/changelog/unreleased/prevent-duplicate-accounts.md
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+Bugfix: Don't create account if id/mail/username already taken
+
+Tags: accounts
+
+We don't allow anymore to create a new account if the provided id/mail/username is already taken.
+
+https://github.com/owncloud/ocis/pull/709