diff --git a/bin/get-bin-names.py b/bin/get-bin-names.py
index 1a0eacb..fe8b40d 100644
--- a/bin/get-bin-names.py
+++ b/bin/get-bin-names.py
@@ -1,7 +1,7 @@
 #/usr/bin/env python
 import os, json;
 
-if os.environ['npm_config_global'] == 'true':
+if os.environ['npm_config_global'] != 'true':
     exit(0)
 
 package_json_path=os.environ['PWD'] + '/package.json'