diff --git a/app/controllers/qr_codes_controller.rb b/app/controllers/qr_codes_controller.rb
index 707166930..42917d64b 100644
--- a/app/controllers/qr_codes_controller.rb
+++ b/app/controllers/qr_codes_controller.rb
@@ -2,10 +2,7 @@ class QrCodesController < ApplicationController
   allow_unauthenticated_access
 
   def show
-    qr_code_link = QrCodeLink.from_signed(params[:id])
-    svg = RQRCode::QRCode.new(qr_code_link.url).as_svg(viewbox: true, fill: :white, color: :black)
-
     expires_in 1.year, public: true
-    render plain: svg, content_type: "image/svg+xml"
+    render svg: RQRCode::QRCode.new(QrCodeLink.from_signed(params[:id]).url).as_svg(viewbox: true, fill: :white, color: :black)
   end
 end