diff --git a/lib/pipeline/npm.js b/lib/pipeline/npm.js
index 71df2950a..fd5905bae 100644
--- a/lib/pipeline/npm.js
+++ b/lib/pipeline/npm.js
@@ -14,7 +14,7 @@ class Npm {
     let gitHead = registryJSON.gitHead;
 
     if (!gitHead) {
-      console.error("Could not download " + packageName + " " + version);
+      this.logger.error("Could not download " + packageName + " " + version);
       return callback("error");
     }
 
@@ -30,7 +30,7 @@ class Npm {
       }
     } else {
       fs.mkdirpSync(packageDirectory);
-      self.logger.info("downloading " + packageName + " " + version + "....");
+      this.logger.info("downloading " + packageName + " " + version + "....");
 
       utils.downloadFile(fileLocation, packageDirectory + "/" + packageName + ".js", function() {
         utils.extractTar(packageDirectory + "/" + packageName + ".js", packageDirectory, function() {