diff --git a/tests/script/tmp/dnodes.sim b/tests/script/tmp/dnodes.sim
index 9252ac50bb..cc7d1090f1 100644
--- a/tests/script/tmp/dnodes.sim
+++ b/tests/script/tmp/dnodes.sim
@@ -1,5 +1,5 @@
 ############## config parameter  #####################
-$node1 =  192.168.101.12
+$node1 = 192.168.0.201
 $node2 = 192.168.0.202
 $node3 = 192.168.0.203
 $node4 = 192.168.0.204