diff --git a/src/components/VideoItem.vue b/src/components/VideoItem.vue
index b5b6474e..3f58fc88 100644
--- a/src/components/VideoItem.vue
+++ b/src/components/VideoItem.vue
@@ -15,7 +15,7 @@
                     class="w-full aspect-video object-contain"
                     :src="item.thumbnail"
                     :alt="item.title"
-                    :class="{ 'shorts-img': item.isShort }"
+                    :class="{ 'shorts-img': item.isShort, 'opacity-75': item.watched }"
                     loading="lazy"
                 />
                 <!-- progress bar -->