diff --git a/packages/nodes-base/nodes/Zulip/StreamDescription.ts b/packages/nodes-base/nodes/Zulip/StreamDescription.ts
index 9244ff52a..195cce632 100644
--- a/packages/nodes-base/nodes/Zulip/StreamDescription.ts
+++ b/packages/nodes-base/nodes/Zulip/StreamDescription.ts
@@ -185,7 +185,8 @@ export const streamFields = [
             {
 				displayName: 'Principals',
 				name: 'principals',
-				type: 'fixedCollection',
+                type: 'fixedCollection',
+                default: '',
 				description: 'A list of email addresses of the users that will be subscribed/unsubscribed to the streams specified in the subscriptions argument. If not provided, then the requesting user/bot is subscribed.',
 				typeOptions: {
 					multipleValues: true,
diff --git a/packages/nodes-base/nodes/Zulip/UserDescription.ts b/packages/nodes-base/nodes/Zulip/UserDescription.ts
index 1ae3269d3..b873088b3 100644
--- a/packages/nodes-base/nodes/Zulip/UserDescription.ts
+++ b/packages/nodes-base/nodes/Zulip/UserDescription.ts
@@ -237,6 +237,7 @@ export const userFields = [
 				displayName: 'Profile Data',
 				name: 'profileData',
 				type: 'fixedCollection',
+				default: '',
 				description: 'A dictionary containing the to be updated custom profile field data for the user.',
 				typeOptions: {
 					multipleValues: true,