diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index fbf40d3..1a6bac7 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -263,7 +263,7 @@
 
 bootvars-y	= VMLINUX_LOAD_ADDRESS=$(load-y) \
 		  VMLINUX_ENTRY_ADDRESS=$(entry-y) \
-		  PLATFORM=$(platform-y)
+		  PLATFORM="$(platform-y)"
 ifdef CONFIG_32BIT
 bootvars-y	+= ADDR_BITS=32
 endif