diff --git a/web/src/components/events/EventItem.tsx b/web/src/components/events/EventItem.tsx
index e40134d..b65c36e 100644
--- a/web/src/components/events/EventItem.tsx
+++ b/web/src/components/events/EventItem.tsx
@@ -58,7 +58,7 @@ export const EventItem = ({
             alt={featuredImage.alt}
             width={0}
             height={0}
-            sizes="(max-width: 900px) 100vw, 25vw"
+            sizes="(max-width: 900px) calc(100vw - 2rem), 30vw"
             loading={imageLoading}
             fetchPriority={imageFetchPriority}
           />