diff --git a/frontend/src/lib/components/DisplayResult.svelte b/frontend/src/lib/components/DisplayResult.svelte
index 78027da3c3..1a6b25a3b6 100644
--- a/frontend/src/lib/components/DisplayResult.svelte
+++ b/frontend/src/lib/components/DisplayResult.svelte
@@ -137,7 +137,7 @@
 	let s3FileViewer: S3FilePicker
 
 	function toJsonStr(result: any) {
-		return JSON.stringify(result, null, 4)
+		return JSON.stringify(result ?? null, null, 4) ?? 'null'
 	}
 
 	function contentOrRootString(obj: string | { filename: string; content: string }) {