diff --git a/lib/plugins.js b/lib/plugins.js
index 98e9500c..afcaa8b9 100644
--- a/lib/plugins.js
+++ b/lib/plugins.js
@@ -259,9 +259,9 @@ function buildCartridges (cartridges, virtualCartridges, rec) {
   }
 }
 
-exports.pollQueries = function pollQueries (session, cb) {
+exports.pollQueries = function pollQueries (session) {
   const cartridges = cachedConfig.exchanges.settings.cartridges
-  if (!cartridges) return cb(null, {})
+  if (!cartridges) return Promise.resolve({})
   const virtualCartridges = cachedConfig.exchanges.settings.virtualCartridges
 
   return db.cartridgeCounts(session)