diff --git a/lib/platform/gitlab/index.js b/lib/platform/gitlab/index.js
index 47ab4915af4d8f246abdf40461a7484490c9b2f6..8c3ffb5a813c2d751c7779294d1a3cc8b06e6ee1 100644
--- a/lib/platform/gitlab/index.js
+++ b/lib/platform/gitlab/index.js
@@ -370,7 +370,7 @@ async function addAssignees(iid, assignees) {
 
 function addReviewers(iid, reviewers) {
   logger.debug(`addReviewers('${iid}, '${reviewers})`);
-  logger.error('No reviewer functionality in GitLab');
+  logger.warn('Unimplemented in GitLab: approvals');
 }
 
 async function ensureComment() {