diff --git a/lib/datasource/npm.js b/lib/datasource/npm.js
index f3fc6324a5206d6918eaefacd4d5c5018d72c8c2..4425e3e6706f4992f95c4331b0b7b917351317fa 100644
--- a/lib/datasource/npm.js
+++ b/lib/datasource/npm.js
@@ -136,7 +136,8 @@ async function getDependency(name, retries = 5) {
       return null;
     }
     if (err.statusCode === 404) {
-      logger.info({ err, name }, `Dependency not found`);
+      logger.info({ name }, `Dependency not found`);
+      logger.debug({ err });
       return null;
     }
     if (err.name === 'ParseError') {