diff --git a/packages/builder/src/components/automation/SetupPanel/AutomationBlockSetup.svelte b/packages/builder/src/components/automation/SetupPanel/AutomationBlockSetup.svelte
index 90e7ab661c..8016283094 100644
--- a/packages/builder/src/components/automation/SetupPanel/AutomationBlockSetup.svelte
+++ b/packages/builder/src/components/automation/SetupPanel/AutomationBlockSetup.svelte
@@ -79,7 +79,7 @@
           automationStore.actions.addTestDataToAutomation({
             body: {
               [key]: e.detail,
-              ...$automationStore.selectedAutomation.automation.testData.body,
+              ...$automationStore.selectedAutomation.automation.testData?.body,
             },
           })
         }