diff --git a/spec/spec-suite.coffee b/spec/spec-suite.coffee
index 4e42fa2d7..f888d8a0d 100644
--- a/spec/spec-suite.coffee
+++ b/spec/spec-suite.coffee
@@ -1,11 +1,13 @@
 fs = require 'fs'
 require 'spec-helper'
 
+
 # Run core specs
 for path in fs.listTree(require.resolve("spec")) when /-spec\.coffee$/.test path
   require path
 
 # Run extension specs
-for packagePath in fs.listTree(require.resolve("src/packages"))
-  for path in fs.listTree(fs.join(packagePath, "spec")) when /-spec\.coffee$/.test path
-    require path
+for packageDirPath in config.packageDirPaths
+  for packagePath in fs.listTree(packageDirPath)
+    for path in fs.listTree(fs.join(packagePath, "spec")) when /-spec\.coffee$/.test path
+      require path