diff --git a/etc/loopback.conf b/etc/loopback.conf
index c40a0d320..23479abd7 100644
--- a/etc/loopback.conf
+++ b/etc/loopback.conf
@@ -38,15 +38,14 @@ nodes = {
 		layer = "udp",
 		local = "*:12000",			# Local ip:port, use '*' for random port
 		remote = "127.0.0.1:12001",
-		combine = 5,
 		header = "villas",			# 'gtnet-skt' or 'villas'. If not provided, 'villas' header will be used
-		vectorize = 1,				# Number of samples to fetch per iteration from the socket
 		netem = {
 			enabled = false,
 			delay = 1000000,		# In micro seconds!
 			jitter = 300000,
 			distribution = "normal"
 		}
+		vectorize = 1				# Number of samples to fetch per iteration from the socket
 	},
 	node2 = {
 		type = "socket",