diff --git a/lib/dependency-graph.js b/lib/dependency-graph.js
index 45997395..d92a38ef 100644
--- a/lib/dependency-graph.js
+++ b/lib/dependency-graph.js
@@ -16,21 +16,21 @@ exports.checkEntriesWhitelist = filename => {
   }
 }
 
-const packageJSON = readPkgUp.sync()
+const packageFile = readPkgUp.sync()
 
 function recordPackageEntry(entry) {
-  exports.entries.add(path.resolve(packageJSON.path, '..', entry))
+  exports.entries.add(path.resolve(packageFile.path, '..', entry))
 }
 
-if (packageJSON) {
-  for (const key in packageJSON.package) {
+if (packageFile) {
+  for (const key in packageFile.packageJson) {
     if (key === 'main') {
-      recordPackageEntry(packageJSON.package.main)
+      recordPackageEntry(packageFile.packageJson.main)
     } else if (key === 'entries') {
-      packageJSON.package.entries.forEach(recordPackageEntry)
+      packageFile.packageJson.entries.forEach(recordPackageEntry)
     } else if (/-bundles$/.test(key)) {
       // github-asset-pipeline internal manifest format
-      Object.keys(packageJSON.package[key]).forEach(recordPackageEntry)
+      Object.keys(packageFile.packageJson[key]).forEach(recordPackageEntry)
     }
   }
 }