diff --git a/tools/server/public/index.html.gz b/tools/server/public/index.html.gz
index b911b6e769e..8e3d997f09b 100644
Binary files a/tools/server/public/index.html.gz and b/tools/server/public/index.html.gz differ
diff --git a/tools/server/webui/src/lib/components/app/chat/ChatForm/ChatForm.svelte b/tools/server/webui/src/lib/components/app/chat/ChatForm/ChatForm.svelte
index 97dccd8be8f..7f8e38286d2 100644
--- a/tools/server/webui/src/lib/components/app/chat/ChatForm/ChatForm.svelte
+++ b/tools/server/webui/src/lib/components/app/chat/ChatForm/ChatForm.svelte
@@ -64,7 +64,10 @@
 	let fileInputRef: ChatFormFileInputInvisible | undefined = $state(undefined);
 	let isRecording = $state(false);
 	let message = $state('');
-	let pasteLongTextToFileLength = $derived(Number(currentConfig.pasteLongTextToFileLen) || 2500);
+	let pasteLongTextToFileLength = $derived.by(() => {
+		const n = Number(currentConfig.pasteLongTextToFileLen);
+		return Number.isNaN(n) ? 2500 : n;
+	});
 	let previousIsLoading = $state(isLoading);
 	let recordingSupported = $state(false);
 	let textareaRef: ChatFormTextarea | undefined = $state(undefined);