diff --git a/src/lib/components/chat/Chat.svelte b/src/lib/components/chat/Chat.svelte
index a93913cf18..9e01ef6df3 100644
--- a/src/lib/components/chat/Chat.svelte
+++ b/src/lib/components/chat/Chat.svelte
@@ -4039,7 +4039,7 @@
 				...(messages.length > 0 ? { messages } : {}),
 				params: {
 					...$settings?.params,
-					...params,
+					...Object.fromEntries(Object.entries(params).filter(([, value]) => value !== null)),
 					model_controls: $settings?.params?.model_controls ?? {},
 					stop: getStopTokens()
 				},