diff --git a/__init__.py b/__init__.py
index 243fc5ba0f..7f1b367b49 100644
--- a/__init__.py
+++ b/__init__.py
@@ -16,4 +16,4 @@ def getMetaData():
     }
         
 def register(app):
-    return USBPrinterManager.USBPrinterManager()
+    return {"extension":USBPrinterManager.USBPrinterManager()}