diff --git a/src/views/Portfolio.svelte b/src/views/Portfolio.svelte
index 3998e42..913cdac 100644
--- a/src/views/Portfolio.svelte
+++ b/src/views/Portfolio.svelte
@@ -158,14 +158,14 @@
     <button
       class="portfolio-arrow portfolio-arrow--up"
       aria-label="Projet précédent"
-      disabled={currentIndex === 0}
-      onclick={() => { if (currentIndex > 0) { currentIndex--; setAnchor(currentIndex) } }}
+      disabled={currentIndex >= projects.length - 1}
+      onclick={() => { if (currentIndex < projects.length - 1) { currentIndex++; setAnchor(currentIndex) } }}
     ></button>
     <button
       class="portfolio-arrow portfolio-arrow--down"
       aria-label="Projet suivant"
-      disabled={currentIndex >= projects.length - 1}
-      onclick={() => { if (currentIndex < projects.length - 1) { currentIndex++; setAnchor(currentIndex) } }}
+      disabled={currentIndex === 0}
+      onclick={() => { if (currentIndex > 0) { currentIndex--; setAnchor(currentIndex) } }}
     ></button>
     <output class="portfolio-counter">{String(currentIndex + 1).padStart(2, '0')}/{String(projects.length).padStart(2, '0')}</output>
   </div>