diff --git a/src/renderer/features/sidebar/components/sidebar.tsx b/src/renderer/features/sidebar/components/sidebar.tsx
index 6dd95c63..b70f765a 100644
--- a/src/renderer/features/sidebar/components/sidebar.tsx
+++ b/src/renderer/features/sidebar/components/sidebar.tsx
@@ -79,9 +79,9 @@ export const Sidebar = () => {
     const server = useCurrentServer();
 
     const upsizedImageUrl = imageUrl
-        ?.replace(/size=\d+/, 'size=300')
-        .replace(/width=\d+/, 'width=300')
-        .replace(/height=\d+/, 'height=300');
+        ?.replace(/size=\d+/, 'size=450')
+        .replace(/width=\d+/, 'width=450')
+        .replace(/height=\d+/, 'height=450');
 
     const showImage = sidebar.image;