diff --git a/test/business/definitionServiceTest.js b/test/business/definitionServiceTest.js
index 7facac00..24326dea 100644
--- a/test/business/definitionServiceTest.js
+++ b/test/business/definitionServiceTest.js
@@ -347,7 +347,7 @@ function setup(definition, coordinateSpec, curation) {
   const summary = { summarizeAll: () => Promise.resolve(null) }
   const aggregator = { process: () => Promise.resolve(definition) }
   const service = DefinitionService(harvestStore, harvestService, summary, aggregator, curator, store, search, cache)
-  service.logger = { info: sinon.stub() }
+  service.logger = { info: sinon.stub(), debug: sinon.stub() }
   service._harvest = sinon.stub()
   const coordinates = EntityCoordinates.fromString(coordinateSpec || 'npm/npmjs/-/test/1.0')
   return { coordinates, service }