diff --git a/priv/repo/migrations/20190222104808_data_migration_normalize_scopes.exs b/priv/repo/migrations/20190222104808_data_migration_normalize_scopes.exs
new file mode 100644
index 000000000..d44e5096b
--- /dev/null
+++ b/priv/repo/migrations/20190222104808_data_migration_normalize_scopes.exs
@@ -0,0 +1,11 @@
+defmodule Pleroma.Repo.Migrations.DataMigrationNormalizeScopes do
+  use Ecto.Migration
+
+  def up do
+    for t <- [:apps, :oauth_authorizations, :oauth_tokens] do
+      execute "UPDATE #{t} SET scopes = string_to_array(array_to_string(scopes, ' '), ' ');"
+    end
+  end
+
+  def down, do: :noop
+end