diff --git a/arch/mips/ralink/Platform b/arch/mips/ralink/Platform
index b2cbf16..cda4b66 100644
--- a/arch/mips/ralink/Platform
+++ b/arch/mips/ralink/Platform
@@ -8,16 +8,19 @@
 # Ralink RT288x
 #
 load-$(CONFIG_SOC_RT288X)	+= 0xffffffff88000000
+cflags-$(CONFIG_SOC_RT288X)	+= -I$(srctree)/arch/mips/include/asm/mach-ralink/rt288x
 
 #
 # Ralink RT305x
 #
 load-$(CONFIG_SOC_RT305X)	+= 0xffffffff80000000
+cflags-$(CONFIG_SOC_RT305X)	+= -I$(srctree)/arch/mips/include/asm/mach-ralink/rt305x
 
 #
 # Ralink RT3883
 #
 load-$(CONFIG_SOC_RT3883)	+= 0xffffffff80000000
+cflags-$(CONFIG_SOC_RT3883)	+= -I$(srctree)/arch/mips/include/asm/mach-ralink/rt3883
 
 #
 # Ralink MT7620