diff --git a/examples/6tisch/simple-node/node.c b/examples/6tisch/simple-node/node.c
index 381d81f8e..b8e29e7f6 100644
--- a/examples/6tisch/simple-node/node.c
+++ b/examples/6tisch/simple-node/node.c
@@ -60,7 +60,7 @@ PROCESS_THREAD(node_process, ev, data)
 
   is_coordinator = 0;
 
-#if CONTIKI_TARGET_COOJA
+#if CONTIKI_TARGET_COOJA || CONTIKI_TARGET_Z1
   is_coordinator = (node_id == 1);
 #endif