diff --git a/core/server/influx-metrics.spec.js b/core/server/influx-metrics.spec.js
index 9885754fbbe7a157aad921355a49cc017f688779..fc472b6bc28864c5c76f9287bc06fd20187c1a19 100644
--- a/core/server/influx-metrics.spec.js
+++ b/core/server/influx-metrics.spec.js
@@ -122,7 +122,7 @@ describe('Influx metrics', function() {
 
   describe('sendMetrics', function() {
     beforeEach(function() {
-      sinon.spy(log, 'error')
+      sinon.stub(log, 'error')
     })
     afterEach(function() {
       log.error.restore()