diff --git a/lib/mobilizon_web/resolvers/event.ex b/lib/mobilizon_web/resolvers/event.ex
index 719b3c445..df8e55f61 100644
--- a/lib/mobilizon_web/resolvers/event.ex
+++ b/lib/mobilizon_web/resolvers/event.ex
@@ -64,8 +64,8 @@ defmodule MobilizonWeb.Resolvers.Event do
   end
 
   def create_event(_parent, args, %{context: %{current_user: user}}) do
-    organizer_actor_id = Map.get(args, "organizer_actor_id") || Actors.get_actor_for_user(user).id
-    args = args |> Map.put("organizer_actor_id", organizer_actor_id)
+    organizer_actor_id = Map.get(args, :organizer_actor_id) || Actors.get_actor_for_user(user).id
+    args = args |> Map.put(:organizer_actor_id, organizer_actor_id)
     Mobilizon.Events.create_event(args)
   end
 
diff --git a/priv/repo/migrations/20180628142835_revert_alter_event_timestamps.exs b/priv/repo/migrations/20180628142835_revert_alter_event_timestamps.exs
index 6fbf5958f..256ad42c4 100644
--- a/priv/repo/migrations/20180628142835_revert_alter_event_timestamps.exs
+++ b/priv/repo/migrations/20180628142835_revert_alter_event_timestamps.exs
@@ -1,15 +1,15 @@
-defmodule Mobilizon.Repo.Migrations.AlterEventTimestampsToDateTimeWithTimeZone do
+defmodule Mobilizon.Repo.Migrations.RevertAlterEventTimestampsToDateTimeWithTimeZone do
   use Ecto.Migration
 
   def up do
-    alter table("events") do
+    alter table(:events) do
       modify :inserted_at, :timestamptz
       modify :updated_at, :timestamptz
     end
   end
 
   def down do
-    alter table("events") do
+    alter table(:events) do
       modify :inserted_at, :utc_datetime
       modify :updated_at, :utc_datetime
     end