diff --git a/packages/accounts-base/accounts_server.js b/packages/accounts-base/accounts_server.js
index 5d4e05a9b6..e8a884c87b 100644
--- a/packages/accounts-base/accounts_server.js
+++ b/packages/accounts-base/accounts_server.js
@@ -904,8 +904,10 @@ export class AccountsServer extends AccountsCommon {
   //   - forLoggedInUser {Array} Array of fields published to the logged-in user
   //   - forOtherUsers {Array} Array of fields published to users that aren't logged in
   addAutopublishFields(opts) {
-    this._autopublishFields.loggedInUser.push(...opts.forLoggedInUser);
-    this._autopublishFields.otherUsers.push(...opts.forOtherUsers);
+    this._autopublishFields.loggedInUser.push.apply(
+      this._autopublishFields.loggedInUser, opts.forLoggedInUser);
+    this._autopublishFields.otherUsers.push.apply(
+      this._autopublishFields.otherUsers, opts.forOtherUsers);
   };
 
   // Replaces the fields to be automatically