diff --git a/src/deprecated-packages.coffee b/src/deprecated-packages.coffee
index 91a541e98..e1eb9a968 100644
--- a/src/deprecated-packages.coffee
+++ b/src/deprecated-packages.coffee
@@ -3,7 +3,7 @@ semver = require 'semver'
 deprecatedPackages = require('../package.json')?._deprecatedPackages ? {}
 ranges = {}
 
-exports.isPackageDeprecated = (name, version) ->
+exports.isDeprecatedPackage = (name, version) ->
   return false unless deprecatedPackages.hasOwnProperty(name)
   return false unless semver.valid(version)
 
diff --git a/src/package-manager.coffee b/src/package-manager.coffee
index 8f42da784..d63ab928e 100644
--- a/src/package-manager.coffee
+++ b/src/package-manager.coffee
@@ -150,6 +150,9 @@ class PackageManager
   isBundledPackage: (name) ->
     @getPackageDependencies().hasOwnProperty(name)
 
+  isDeprecatedPackage: (name, version) ->
+    isDeprecatedDeprecated(metadata.name, metadata.version)
+
   ###
   Section: Enabling and disabling packages
   ###
@@ -328,7 +331,7 @@ class PackageManager
         return null
 
       unless @isBundledPackage(metadata.name)
-        return null if isPackageDeprecated(metadata.name, metadata.version)
+        return null if @isDeprecatedPackage(metadata.name, metadata.version)
 
       if metadata.theme
         pack = new ThemePackage(packagePath, metadata)