diff --git a/openwsn/Makefile b/openwsn/Makefile
index d52662ea8c..8c732404ec 100644
--- a/openwsn/Makefile
+++ b/openwsn/Makefile
@@ -1,7 +1,7 @@
 APPLICATION = openwsn-app
 
 # If no BOARD is found in the environment, use this default:
-BOARD ?= iot-lab_M3
+BOARD ?= iotlab-m3
 
 # This has to be the absolute path to the RIOT base directory:
 RIOTBASE ?= $(CURDIR)/../../RIOT