diff --git a/frontend/src/components/MessageInput.svelte b/frontend/src/components/MessageInput.svelte
index e03bb7a..c42197e 100644
--- a/frontend/src/components/MessageInput.svelte
+++ b/frontend/src/components/MessageInput.svelte
@@ -138,7 +138,8 @@
         margin-left: var(--space-sm);
         border-radius: 50%;
         background-color: var(--purple-1);
-        aspect-ratio: 1 / 1;
+        padding: 12px;
+        aspect-ratio: 1;
         flex-shrink: 0;
     }