diff --git a/target/linux/atheros-2.6/files/arch/mips/atheros/prom.c b/target/linux/atheros-2.6/files/arch/mips/atheros/prom.c
index 489f309279..36d78b8109 100644
--- a/target/linux/atheros-2.6/files/arch/mips/atheros/prom.c
+++ b/target/linux/atheros-2.6/files/arch/mips/atheros/prom.c
@@ -27,6 +27,7 @@
 
 void __init prom_init(void)
 {
+	char **argv;
 
 	mips_machgroup = MACH_GROUP_ATHEROS;
 	mips_machtype = -1;
@@ -34,6 +35,9 @@ void __init prom_init(void)
 	DO_AR5312(ar5312_prom_init();)
 	DO_AR5315(ar5315_prom_init();)
 
+	argv = (char **)fw_arg1;
+	/* RedBoot desired command line is argv[1] */ 
+	strcat(arcs_cmdline, argv[1]);
 }
 
 void __init prom_free_prom_memory(void)