diff --git a/arch/tile/Makefile b/arch/tile/Makefile
index 4dc380a519d48ad2180279c38d64892cf662139b..8fa0befba32b42d8ab438af8f942bb0bb3f4e9d5 100644
--- a/arch/tile/Makefile
+++ b/arch/tile/Makefile
@@ -51,6 +51,8 @@ else
 BITS := 32
 endif
 
+CHECKFLAGS	+= -m$(BITS)
+
 head-y		:= arch/tile/kernel/head_$(BITS).o
 
 libs-y		+= arch/tile/lib/