diff --git a/lib/Common.js b/lib/Common.js
index da354fe5..f92ca836 100644
--- a/lib/Common.js
+++ b/lib/Common.js
@@ -31,9 +31,8 @@ Common.resolveAppPaths = function(app, cwd, outputter) {
 
   cwd = cwd || process.cwd();
 
-  app.env = {
-    pm_cwd: cwd
-  };
+  app.env = app.env || {};
+  app.env.pm_cwd = cwd;
 
   if (!('exec_mode' in app)) app['exec_mode'] = 'cluster_mode';