diff --git a/lib/manager/npm/extract/index.js b/lib/manager/npm/extract/index.js
index d754d8b23dff6ea3ba9c21b952b62f134ceb6d95..c17434d9f8a9471f3c343a6a8060d18ac5a8839d 100644
--- a/lib/manager/npm/extract/index.js
+++ b/lib/manager/npm/extract/index.js
@@ -68,7 +68,7 @@ async function extractDependencies(content, packageFile, config) {
     );
     if (npmrc && npmrc.includes('package-lock')) {
       logger.info('Stripping package-lock setting from npmrc');
-      npmrc = npmrc.replace(/(^|\\n)package-lock.*?(\n|$)/g, '');
+      npmrc = npmrc.replace(/(^|\n)package-lock.*?(\n|$)/g, '');
     }
     if (npmrc) {
       if (