diff --git a/app/controllers/inline_onebox_controller.rb b/app/controllers/inline_onebox_controller.rb
index 832f3d66a07..977537cd000 100644
--- a/app/controllers/inline_onebox_controller.rb
+++ b/app/controllers/inline_onebox_controller.rb
@@ -4,7 +4,9 @@ class InlineOneboxController < ApplicationController
   requires_login
 
   def show
-    oneboxes = InlineOneboxer.new(params[:urls] || []).process
-    render json: { "inline-oneboxes" => oneboxes }
+    hijack do
+      oneboxes = InlineOneboxer.new(params[:urls] || []).process
+      render json: { "inline-oneboxes" => oneboxes }
+    end
   end
 end
diff --git a/spec/components/inline_oneboxer_spec.rb b/spec/components/inline_oneboxer_spec.rb
index beca526c349..c3e0c199687 100644
--- a/spec/components/inline_oneboxer_spec.rb
+++ b/spec/components/inline_oneboxer_spec.rb
@@ -44,6 +44,7 @@ describe InlineOneboxer do
       SiteSetting.enable_inline_onebox_on_all_domains = true
       url = "https://example.com/random-url"
 
+      InlineOneboxer.purge(url)
       expect(InlineOneboxer.cache_lookup(url)).to be_blank
 
       result = InlineOneboxer.lookup(url)