diff --git a/src/pages/Immersion.tsx b/src/pages/Immersion.tsx
index ca52ca8..faaf5b4 100644
--- a/src/pages/Immersion.tsx
+++ b/src/pages/Immersion.tsx
@@ -288,7 +288,7 @@ function Immersion() {
                     Subject
                   </h2>
                   <iframe
-                    src="https://tp.la-banquise.fr"
+                    src="https://tp.la-banquise.fr/Sujet_1_Banquise.pdf"
                     className="w-full h-[800px] rounded-lg border-2 border-base-300"
                     title="Subject Document"
                   />