diff --git a/src/components/video/poster.astro b/src/components/video/poster.astro
index 87b0bf4..613fcf3 100644
--- a/src/components/video/poster.astro
+++ b/src/components/video/poster.astro
@@ -57,5 +57,7 @@ function makeImgAttributes ( src ) {
             'absolute inset-0 h-full w-full object-cover',
             loading === 'lazy' ? 'lazyload' : ''
         ].join(' ') }
+        width="1600"
+        height="900"
     >
 </picture>