diff --git a/test/pleroma/web/o_auth/app_test.exs b/test/pleroma/web/o_auth/app_test.exs
index a69ba371e..f90bee358 100644
--- a/test/pleroma/web/o_auth/app_test.exs
+++ b/test/pleroma/web/o_auth/app_test.exs
@@ -10,20 +10,20 @@ defmodule Pleroma.Web.OAuth.AppTest do
 
   describe "get_or_make/2" do
     test "gets exist app" do
-      attrs = %{client_name: "Mastodon-Local", redirect_uris: "."}
+      attrs = %{client_name: "Mastodon-Local", redirect_uris: ["."]}
       app = insert(:oauth_app, Map.merge(attrs, %{scopes: ["read", "write"]}))
       {:ok, %App{} = exist_app} = App.get_or_make(attrs, [])
       assert exist_app == app
     end
 
     test "make app" do
-      attrs = %{client_name: "Mastodon-Local", redirect_uris: "."}
+      attrs = %{client_name: "Mastodon-Local", redirect_uris: ["."]}
       {:ok, %App{} = app} = App.get_or_make(attrs, ["write"])
       assert app.scopes == ["write"]
     end
 
     test "gets exist app and updates scopes" do
-      attrs = %{client_name: "Mastodon-Local", redirect_uris: "."}
+      attrs = %{client_name: "Mastodon-Local", redirect_uris: ["."]}
       app = insert(:oauth_app, Map.merge(attrs, %{scopes: ["read", "write"]}))
       {:ok, %App{} = exist_app} = App.get_or_make(attrs, ["read", "write", "follow", "push"])
       assert exist_app.id == app.id
@@ -31,10 +31,10 @@ defmodule Pleroma.Web.OAuth.AppTest do
     end
 
     test "has unique client_id" do
-      insert(:oauth_app, client_name: "", redirect_uris: "", client_id: "boop")
+      insert(:oauth_app, client_name: "", redirect_uris: [""], client_id: "boop")
 
       error =
-        catch_error(insert(:oauth_app, client_name: "", redirect_uris: "", client_id: "boop"))
+        catch_error(insert(:oauth_app, client_name: "", redirect_uris: [""], client_id: "boop"))
 
       assert %Ecto.ConstraintError{} = error
       assert error.constraint == "apps_client_id_index"
@@ -55,7 +55,7 @@ defmodule Pleroma.Web.OAuth.AppTest do
   end
 
   test "removes orphaned apps" do
-    attrs = %{client_name: "Mastodon-Local", redirect_uris: "."}
+    attrs = %{client_name: "Mastodon-Local", redirect_uris: ["."]}
     {:ok, %App{} = old_app} = App.get_or_make(attrs, ["write"])
 
     # backdate the old app so it's within the threshold for being cleaned up
@@ -66,7 +66,7 @@ defmodule Pleroma.Web.OAuth.AppTest do
       |> Pleroma.Repo.query([one_hour_ago, old_app.id])
 
     # Create the new app after backdating the old one
-    attrs = %{client_name: "PleromaFE", redirect_uris: "."}
+    attrs = %{client_name: "PleromaFE", redirect_uris: ["."]}
     {:ok, %App{} = app} = App.get_or_make(attrs, ["write"])
 
     # Ensure the new app has a recent timestamp
diff --git a/test/pleroma/web/o_auth/o_auth_controller_test.exs b/test/pleroma/web/o_auth/o_auth_controller_test.exs
index 260442771..3788b9c65 100644
--- a/test/pleroma/web/o_auth/o_auth_controller_test.exs
+++ b/test/pleroma/web/o_auth/o_auth_controller_test.exs
@@ -406,7 +406,7 @@ defmodule Pleroma.Web.OAuth.OAuthControllerTest do
   describe "GET /oauth/authorize" do
     setup do
       [
-        app: insert(:oauth_app, redirect_uris: "https://redirect.url"),
+        app: insert(:oauth_app, redirect_uris: ["https://redirect.url"]),
         conn:
           build_conn()
           |> Plug.Session.call(Plug.Session.init(@session_opts))