diff --git a/frontend/components/knowledge-search-input.tsx b/frontend/components/knowledge-search-input.tsx
index 5568964c..57899a16 100644
--- a/frontend/components/knowledge-search-input.tsx
+++ b/frontend/components/knowledge-search-input.tsx
@@ -87,7 +87,7 @@ export const KnowledgeSearchInput = () => {
         <Button
           variant="ghost"
           className={cn(
-            "h-full rounded !px-1.5 !py-0 hidden group-focus-within/input:block",
+            "h-full rounded-sm !px-1.5 !py-0 hidden group-focus-within/input:block",
             searchQueryInput && "block"
           )}
           type="submit"