diff --git a/backend/src/tools/koepi/routes.js b/backend/src/tools/koepi/routes.js
index 7bb0e7a..a890d0b 100644
--- a/backend/src/tools/koepi/routes.js
+++ b/backend/src/tools/koepi/routes.js
@@ -447,6 +447,7 @@ function bestimmeBild(menge, volumen) {
 
   if (m === 11 && v === 0.5) return '11erkasten0,5L.png';
   if (m === 20 && v === 0.5) return '20erkasten0,5L.png';
+  if (m === 20 && v === 0.33) return '20erkasten0,33L.png';
   if (m === 24 && v === 0.33) return '24erkasten0,33L.png';
   if (m === 1 && v === 0.5) return 'flasche0,5L.png';
   if (m === 1 && v === 0.33) return 'flasche0,33L.png';
diff --git a/frontend/public/koepi/20erkasten0,33L.png b/frontend/public/koepi/20erkasten0,33L.png
new file mode 100644
index 0000000..d0aff89
Binary files /dev/null and b/frontend/public/koepi/20erkasten0,33L.png differ