<description>The human readable name for this interface.</description>
         </variable>
 
-        <variable id="am_api_version" type="string">
+        <variable id="aggregate_api_version" type="string">
           <name>Aggregate Manager API Version</name>
           <value>1</value>
           <description>The Aggregate API version</description>
 
         response  
         """
         if self.interface.lower() == 'aggregate': 
-            if hasattr(self.config, 'SFA_AM_API_VERSION') and \
-              self.config.SFA_AM_API_VERSION == "2":
+            if hasattr(self.config, 'SFA_AGGREGATE_API_VERSION') and \
+              self.config.SFA_AGGREGATE_API_VERSION == "2":
                 result = self.prepare_response_v2_am(result)
         return XmlrpcApi.prepare_response(self, result, method)