diff --git a/lib/plugins.js b/lib/plugins.js
index 43eb8b45..cf6d2d7a 100644
--- a/lib/plugins.js
+++ b/lib/plugins.js
@@ -161,9 +161,11 @@ function plugins (settings, deviceId) {
       return _.map(([acc, bill]) => acc + bill.provisioned, _.zip(sum, bills))
     }
 
-    const provisioned = _.reduce(sumTxs, _.map(_.constant(0), recyclers), redeemableTxs)
-    const zipped = _.zip(_.map('count', recyclers), provisioned)
-    const counts = _.map(r => r[0] - r[1], zipped)
+    const counts = _.flow(
+      _.reduce(sumTxs, _.map(_.constant(0), recyclers)),
+      _.zip(_.map('count', recyclers)),
+      _.map(([count, provisioned]) => count - provisioned),
+    )(redeemableTxs)
 
     if (_.some(_.lt(_, 0), counts)) {
       throw new Error('Negative note count: %j', counts)