diff --git a/frontend/src/lib/components/EditableSchemaForm.svelte b/frontend/src/lib/components/EditableSchemaForm.svelte
index 529e99a1f9..181f4038ce 100644
--- a/frontend/src/lib/components/EditableSchemaForm.svelte
+++ b/frontend/src/lib/components/EditableSchemaForm.svelte
@@ -547,9 +547,13 @@
 											'Arguments can be edited either using the wizard, or by editing their JSON Schema.'
 									}}
 									lightMode
-									on:change={() => {
-										schemaString = JSON.stringify(schema, null, '\t')
-										editor?.setCode(schemaString)
+									on:change={(e) => {
+										if (e.detail) {
+											schemaString = JSON.stringify(schema, null, '\t')
+											editor?.setCode(schemaString)
+										} else {
+											schema = JSON.parse(schemaString)
+										}
 									}}
 								/>
 							</div>