diff --git a/packages/builder/src/components/automation/SetupPanel/FieldSelector.svelte b/packages/builder/src/components/automation/SetupPanel/FieldSelector.svelte
index f510d961fb..3920885a2e 100644
--- a/packages/builder/src/components/automation/SetupPanel/FieldSelector.svelte
+++ b/packages/builder/src/components/automation/SetupPanel/FieldSelector.svelte
@@ -14,7 +14,7 @@
   $: {
     let fields = {}
 
-    for (const [key, type] of Object.entries(block?.inputs?.fields)) {
+    for (const [key, type] of Object.entries(block?.inputs?.fields ?? {})) {
       fields = {
         ...fields,
         [key]: {