diff --git a/include/configs/MPC8641HPCN.h b/include/configs/MPC8641HPCN.h
index ff81dd8..9ede6dd 100644
--- a/include/configs/MPC8641HPCN.h
+++ b/include/configs/MPC8641HPCN.h
@@ -602,7 +602,7 @@
 
 #define CONFIG_IPADDR		192.168.1.100
 
-#define CONFIG_HOSTNAME		unknown
+#define CONFIG_HOSTNAME		"unknown"
 #define CONFIG_ROOTPATH		"/opt/nfsroot"
 #define CONFIG_BOOTFILE		"uImage"
 #define CONFIG_UBOOTPATH	u-boot.bin	/* U-Boot image on TFTP server */