diff --git a/frontend/src/lib/components/LightweightSchemaForm.svelte b/frontend/src/lib/components/LightweightSchemaForm.svelte
index 8585317aa1..2a56521220 100644
--- a/frontend/src/lib/components/LightweightSchemaForm.svelte
+++ b/frontend/src/lib/components/LightweightSchemaForm.svelte
@@ -40,7 +40,7 @@
 	}
 
 	function reorder() {
-		if (schema.order && Array.isArray(schema.order)) {
+		if (schema?.order && Array.isArray(schema.order)) {
 			const n = {}
 
 			;(schema.order as string[]).forEach((x) => {