diff --git a/src/drivers/npm/README.md b/src/drivers/npm/README.md
index 5eda7d416..61ac59c54 100644
--- a/src/drivers/npm/README.md
+++ b/src/drivers/npm/README.md
@@ -64,7 +64,7 @@ const options = {
 };
 
 ;(async function() {
-  const wappalyzer = await new Wappalyzer()
+  const wappalyzer = await new Wappalyzer(options)
 
   try {
     await wappalyzer.init()
diff --git a/src/drivers/npm/driver.js b/src/drivers/npm/driver.js
index 0d2c54dfb..94f1bce7d 100644
--- a/src/drivers/npm/driver.js
+++ b/src/drivers/npm/driver.js
@@ -75,9 +75,11 @@ function getJs() {
       ) {
         const newObj = {}
 
-        Object.keys(obj).forEach((key) => {
-          newObj[key] = dereference(obj[key], level + 1)
-        })
+        Object.keys(obj)
+          .filter((key) => obj.hasOwnProperty(key))
+          .forEach((key) => {
+            newObj[key] = dereference(obj[key], level + 1)
+          })
 
         return newObj
       }
diff --git a/src/drivers/webextension/js/inject.js b/src/drivers/webextension/js/inject.js
index db3c78c37..8ae4bd77e 100644
--- a/src/drivers/webextension/js/inject.js
+++ b/src/drivers/webextension/js/inject.js
@@ -25,10 +25,6 @@
                   window
                 )
 
-              if (name === 'Intercom') {
-                console.log(name, chains, value)
-              }
-
               if (value !== undefined) {
                 technologies.push({
                   name,