diff --git a/app/react/edge/edge-stacks/ItemView/EditEdgeStackForm/NonGitStackForm.tsx b/app/react/edge/edge-stacks/ItemView/EditEdgeStackForm/NonGitStackForm.tsx
index d0d1e5373..5d7956822 100644
--- a/app/react/edge/edge-stacks/ItemView/EditEdgeStackForm/NonGitStackForm.tsx
+++ b/app/react/edge/edge-stacks/ItemView/EditEdgeStackForm/NonGitStackForm.tsx
@@ -143,7 +143,7 @@ export function NonGitStackForm({ edgeStack }: { edgeStack: EdgeStack }) {
         updateVersion,
         webhook: values.webhookEnabled
           ? edgeStack.Webhook || createWebhookId()
-          : undefined,
+          : '',
         envVars: values.envVars,
         rollbackTo: values.rollbackTo,
         staggerConfig: values.staggerConfig,