diff --git a/include/configs/idmr.h b/include/configs/idmr.h
index 4bc36b9..3fe8f70 100644
--- a/include/configs/idmr.h
+++ b/include/configs/idmr.h
@@ -52,7 +52,7 @@
 #define CONFIG_ETHPRIME
 #define CONFIG_IPADDR		192.168.30.1
 #define CONFIG_SERVERIP		192.168.1.1
-#define CONFIG_ROOTPATH
+#define CONFIG_ROOTPATH		""
 #define CONFIG_GATEWAYIP	192.168.1.1
 #define CONFIG_NETMASK		255.255.0.0
 #define CONFIG_HOSTNAME		idmr