diff --git a/arch/mips/Kbuild b/arch/mips/Kbuild
index e322d65f33a4..7dd65cfae837 100644
--- a/arch/mips/Kbuild
+++ b/arch/mips/Kbuild
@@ -7,6 +7,10 @@ subdir-ccflags-y := -Werror
 include arch/mips/Kbuild.platforms
 obj-y := $(platform-y)
 
+# make clean traverses $(obj-) without having included .config, so
+# everything ends up here
+obj- := $(platform-)
+
 # mips object files
 # The object files are linked as core-y files would be linked
 
diff --git a/arch/mips/dec/Platform b/arch/mips/dec/Platform
index 3adbcbd95db1..cf55a6f4e720 100644
--- a/arch/mips/dec/Platform
+++ b/arch/mips/dec/Platform
@@ -1,7 +1,7 @@
 #
 # DECstation family
 #
-platform-$(CONFIG_MACH_DECSTATION)	= dec/
+platform-$(CONFIG_MACH_DECSTATION)	+= dec/
 cflags-$(CONFIG_MACH_DECSTATION)	+= \
 			-I$(srctree)/arch/mips/include/asm/mach-dec
 libs-$(CONFIG_MACH_DECSTATION)		+= arch/mips/dec/prom/