diff --git a/arch/mips/include/asm/setup.h b/arch/mips/include/asm/setup.h
index e600cedda9762dac44ea7975f8bdab18d4ad2ba0..50511aac04e91de24f7565f515ab63f99476d1df 100644
--- a/arch/mips/include/asm/setup.h
+++ b/arch/mips/include/asm/setup.h
@@ -1,7 +1,7 @@
 #ifndef _MIPS_SETUP_H
 #define _MIPS_SETUP_H
 
-#define COMMAND_LINE_SIZE	256
+#define COMMAND_LINE_SIZE	4096
 
 #ifdef  __KERNEL__
 extern void setup_early_printk(void);