diff --git a/board/cm5200/fwupdate.h b/board/cm5200/fwupdate.h
index 4e3f1e164..3bbcbdc3c 100644
--- a/board/cm5200/fwupdate.h
+++ b/board/cm5200/fwupdate.h
@@ -39,7 +39,7 @@
 #define FW_DIR		"nx-fw"
 #define RESCUE_IMAGE	"nxrs.img"
 #define LOAD_ADDR	0x400000
-#define RS_BOOTARGS	"ramdisk=8192K"
+#define RS_BOOTARGS	"ramdisk_size=8192K"
 
 /* Main function for fwupdate */
 void cm5200_fwupdate(void);
diff --git a/include/configs/AmigaOneG3SE.h b/include/configs/AmigaOneG3SE.h
index d914dccfb..a992498dc 100644
--- a/include/configs/AmigaOneG3SE.h
+++ b/include/configs/AmigaOneG3SE.h
@@ -54,7 +54,7 @@
 
 #undef CONFIG_CLOCKS_IN_MHZ		/* clocks passed to Linux in Hz */
 
-#define CONFIG_BOOTARGS		"root=/dev/ram rw ramdisk=4096"
+#define CONFIG_BOOTARGS		"root=/dev/ram rw ramdisk_size=4096"
 
 /*
  * BOOTP options
diff --git a/include/configs/NX823.h b/include/configs/NX823.h
index 524aa0621..da1c173a4 100644
--- a/include/configs/NX823.h
+++ b/include/configs/NX823.h
@@ -47,7 +47,7 @@
 #undef	CONFIG_8xx_CONS_NONE
 #define CONFIG_BAUDRATE 57600	/* console baudrate = 115kbps	*/
 #define CONFIG_BOOTDELAY	2	/* autoboot after 2 seconds */
-#define CONFIG_BOOTARGS		"ramdisk=8000 "\
+#define CONFIG_BOOTARGS		"ramdisk_size=8000 "\
 				"root=/dev/nfs rw nfsroot=10.77.77.250:/ppcroot "\
 				"nfsaddrs=10.77.77.20:10.77.77.250"
 #define CONFIG_BOOTCOMMAND	"bootm 400e0000"
diff --git a/include/configs/zeus.h b/include/configs/zeus.h
index 810a528d2..cd120dfbf 100644
--- a/include/configs/zeus.h
+++ b/include/configs/zeus.h
@@ -333,7 +333,7 @@
 	"nfsargs=setenv bootargs root=/dev/nfs rw"			\
 		" nfsroot=${serverip}:${rootpath}\0"			\
 	"ramargs=setenv bootargs root=/dev/ram rw"			\
-		" ramdisk=${ramdisk_size}\0"				\
+		" ramdisk_size=${ramdisk_size}\0"			\
 	"addip=setenv bootargs ${bootargs} "				\
 		"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"	\
 	        ":${hostname}:${netdev}:off panic=1\0"			\