diff --git a/lib/pleroma/web/admin_api/controllers/media_proxy_cache_controller.ex b/lib/pleroma/web/admin_api/controllers/media_proxy_cache_controller.ex
index 4d53f5451..c615422cd 100644
--- a/lib/pleroma/web/admin_api/controllers/media_proxy_cache_controller.ex
+++ b/lib/pleroma/web/admin_api/controllers/media_proxy_cache_controller.ex
@@ -59,12 +59,12 @@ defmodule Pleroma.Web.AdminAPI.MediaProxyCacheController do
     Enum.slice(entries, offset, page_size)
   end
 
-  def delete(%{assigns: %{user: _}, body_params: %{urls: urls}} = conn, _) do
+  def delete(%{assigns: %{user: _}, body_params: %{"urls" => urls}} = conn, _) do
     MediaProxy.remove_from_banned_urls(urls)
     json(conn, %{})
   end
 
-  def purge(%{assigns: %{user: _}, body_params: %{urls: urls, ban: ban}} = conn, _) do
+  def purge(%{assigns: %{user: _}, body_params: %{"urls" => urls, "ban" => ban}} = conn, _) do
     MediaProxy.Invalidation.purge(urls)
 
     if ban do
diff --git a/lib/pleroma/web/api_spec/operations/admin/media_proxy_cache_operation.ex b/lib/pleroma/web/api_spec/operations/admin/media_proxy_cache_operation.ex
index 0b1eb3946..79363d4cd 100644
--- a/lib/pleroma/web/api_spec/operations/admin/media_proxy_cache_operation.ex
+++ b/lib/pleroma/web/api_spec/operations/admin/media_proxy_cache_operation.ex
@@ -78,9 +78,9 @@ defmodule Pleroma.Web.ApiSpec.Admin.MediaProxyCacheOperation do
           "Parameters",
           %Schema{
             type: :object,
-            required: [:urls],
+            required: ["urls"],
             properties: %{
-              urls: %Schema{type: :array, items: %Schema{type: :string, format: :uri}}
+              "urls" => %Schema{type: :array, items: %Schema{type: :string, format: :uri}}
             }
           },
           required: true
@@ -104,10 +104,10 @@ defmodule Pleroma.Web.ApiSpec.Admin.MediaProxyCacheOperation do
           "Parameters",
           %Schema{
             type: :object,
-            required: [:urls],
+            required: ["urls"],
             properties: %{
-              urls: %Schema{type: :array, items: %Schema{type: :string, format: :uri}},
-              ban: %Schema{type: :boolean, default: true}
+              "urls" => %Schema{type: :array, items: %Schema{type: :string, format: :uri}},
+              "ban" => %Schema{type: :boolean, default: true}
             }
           },
           required: true