diff --git a/build-shims.js b/build-shims.js
index 8b47a78..d9770c0 100644
--- a/build-shims.js
+++ b/build-shims.js
@@ -108,7 +108,9 @@ mockery.registerMock('@zimbra-client/constants', {
 	PARTICIPATION_STATUS: 1,
 	supportedMimes: 1,
 	ZIMBRA_ZIMLET_EVENTS: 1,
-	EMAIL_SEPARATOR_TAG_ID: 1
+	EMAIL_SEPARATOR_TAG_ID: 1,
+	USER_FOLDER_IDS: 1,
+	FLAGS: 1
 });
 
 mockery.registerMock('@zimbra-client/hooks', {
diff --git a/src/shims/@zimbra-client/constants/index.js b/src/shims/@zimbra-client/constants/index.js
index 8e43821..ec18a61 100644
--- a/src/shims/@zimbra-client/constants/index.js
+++ b/src/shims/@zimbra-client/constants/index.js
@@ -12,5 +12,7 @@ export const PARTICIPATION_STATUS = wrap('PARTICIPATION_STATUS');
 export const supportedMimes = wrap('supportedMimes');
 export const ZIMBRA_ZIMLET_EVENTS = wrap('ZIMBRA_ZIMLET_EVENTS');
 export const EMAIL_SEPARATOR_TAG_ID = wrap('EMAIL_SEPARATOR_TAG_ID');
+export const USER_FOLDER_IDS = wrap('USER_FOLDER_IDS');
+export const FLAGS = wrap('FLAGS');
 
 export default global.shims['@zimbra-client/constants'];