diff --git a/src/lib/components/chat/Messages/CodeBlock.svelte b/src/lib/components/chat/Messages/CodeBlock.svelte
index 7889592120..0fb6e5c2bf 100644
--- a/src/lib/components/chat/Messages/CodeBlock.svelte
+++ b/src/lib/components/chat/Messages/CodeBlock.svelte
@@ -621,7 +621,7 @@
 											? `max-h-96`
 											: ''}  overflow-y-auto"
 									>
-										{stdout || stderr}
+										{`${stdout ?? ''}${stderr ?? ''}`}
 									</div>
 								</div>
 							{/if}