diff --git a/examples/energest-demo/Makefile.contiki-energest-demo b/examples/energest-demo/Makefile.contiki-energest-demo
index b7d709397..eb44e7af2 100644
--- a/examples/energest-demo/Makefile.contiki-energest-demo
+++ b/examples/energest-demo/Makefile.contiki-energest-demo
@@ -4,7 +4,7 @@ CONTIKI=.
 upload-node-%:
 	$(MAKE) sky-reset burn-nodeid-$*.upload
 	$(MAKE) sky-reset
-	sleep 6
+	sleep 10
 	$(MAKE) sky-reset energest-demo.upload
 
 upload-sink: upload-node-41