diff --git a/machinery/src/cloud/Cloud.go b/machinery/src/cloud/Cloud.go
index 5c5818b..d6f2fd4 100644
--- a/machinery/src/cloud/Cloud.go
+++ b/machinery/src/cloud/Cloud.go
@@ -239,8 +239,8 @@ func HandleHeartBeat(configuration *models.Configuration, communication *models.
 				"totalMemory" : "%d",
 				"usedMemory" : "%d",
 				"freeMemory" : "%d",
-				"macs" : %s,
-				"ips" : %s,
+				"mac_list" : %s,
+				"ip_list" : %s,
 				"board" : "",
 				"disk1size" : "%s",
 				"disk3size" : "%s",