diff --git a/lib/pleroma/web/api_spec/operations/admin/o_auth_app_operation.ex b/lib/pleroma/web/api_spec/operations/admin/o_auth_app_operation.ex
index 3dbef62cd..5d4306754 100644
--- a/lib/pleroma/web/api_spec/operations/admin/o_auth_app_operation.ex
+++ b/lib/pleroma/web/api_spec/operations/admin/o_auth_app_operation.ex
@@ -123,7 +123,8 @@ defmodule Pleroma.Web.ApiSpec.Admin.OAuthAppOperation do
         name: %Schema{type: :string, description: "Application Name"},
         scopes: %Schema{type: :array, items: %Schema{type: :string}, description: "oAuth scopes"},
         redirect_uris: %Schema{
-          type: :array, items: %Schema{type: :string},
+          type: :array,
+          items: %Schema{type: :string},
           description:
             "Where the user should be redirected after authorization. To display the authorization code to the user instead of redirecting to a web page, use `urn:ietf:wg:oauth:2.0:oob` in this parameter."
         },
@@ -157,7 +158,8 @@ defmodule Pleroma.Web.ApiSpec.Admin.OAuthAppOperation do
         name: %Schema{type: :string, description: "Application Name"},
         scopes: %Schema{type: :array, items: %Schema{type: :string}, description: "oAuth scopes"},
         redirect_uris: %Schema{
-          type: :array, items: %Schema{type: :string},
+          type: :array,
+          items: %Schema{type: :string},
           description:
             "Where the user should be redirected after authorization. To display the authorization code to the user instead of redirecting to a web page, use `urn:ietf:wg:oauth:2.0:oob` in this parameter."
         },
diff --git a/lib/pleroma/web/o_auth/app.ex b/lib/pleroma/web/o_auth/app.ex
index 7661c2566..f1145d500 100644
--- a/lib/pleroma/web/o_auth/app.ex
+++ b/lib/pleroma/web/o_auth/app.ex
@@ -14,7 +14,7 @@ defmodule Pleroma.Web.OAuth.App do
 
   schema "apps" do
     field(:client_name, :string)
-    field(:redirect_uris, :string)
+    field(:redirect_uris, {:array, :string})
     field(:scopes, {:array, :string}, default: [])
     field(:website, :string)
     field(:client_id, :string)