diff --git a/zpg/ZenPackUI.py b/zpg/ZenPackUI.py
index 1a546e1..884a139 100644
--- a/zpg/ZenPackUI.py
+++ b/zpg/ZenPackUI.py
@@ -11,7 +11,6 @@
 from .Template import Template
 from ._zenoss_utils import zpDir
 
-
 class ZenPackUI(Template):
 
     """Build the ZenPack global js file to register components."""
@@ -21,7 +20,7 @@ def __init__(self, ZenPack):
         self.zenpack = ZenPack
         self.source_template = 'zenpackjs.tmpl'
         self.dest_file = "%s/resources/js/%s.js" % (
-            zpDir(self.zenpack), self.zenpack.id)
+            zpDir(self.zenpack), self.zenpack.prepname)
 
     def write(self):
         # Update the components just before we need them.