diff --git a/webui/src/components/display/BlobPreview.svelte b/webui/src/components/display/BlobPreview.svelte
index 453e715..7ad9e57 100644
--- a/webui/src/components/display/BlobPreview.svelte
+++ b/webui/src/components/display/BlobPreview.svelte
@@ -157,6 +157,7 @@
     .inner {
       display: flex;
       min-height: 0;
+      flex-grow: 1;
     }
   }