diff --git a/plugins/catalog-backend-module-gitlab/src/lib/client.ts b/plugins/catalog-backend-module-gitlab/src/lib/client.ts
index 401011f2dc..6ff39fc708 100644
--- a/plugins/catalog-backend-module-gitlab/src/lib/client.ts
+++ b/plugins/catalog-backend-module-gitlab/src/lib/client.ts
@@ -137,7 +137,7 @@ export class GitLabClient {
   async listSaaSUsers(
     groupPath: string,
     options?: CommonListOptions,
-    includeUsersWithoutSeat?: boolean | false,
+    includeUsersWithoutSeat?: boolean,
   ): Promise<PagedResponse<GitLabUser>> {
     return this.listGroupMembers(groupPath, {
       ...options,