diff --git a/arch/mips/ralink/of.c b/arch/mips/ralink/of.c
index f9eda5d8f82c..0d30dcd63246 100644
--- a/arch/mips/ralink/of.c
+++ b/arch/mips/ralink/of.c
@@ -74,6 +74,8 @@ void __init plat_mem_setup(void)
 	 */
 	__dt_setup_arch(__dtb_start);
 
+	strlcpy(arcs_cmdline, boot_command_line, COMMAND_LINE_SIZE);
+
 	of_scan_flat_dt(early_init_dt_find_memory, NULL);
 	if (memory_dtb)
 		of_scan_flat_dt(early_init_dt_scan_memory, NULL);