diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h
index b8ac5a5ac5..f71e34231b 100644
--- a/arch/mips/include/asm/io.h
+++ b/arch/mips/include/asm/io.h
@@ -10,6 +10,7 @@
 #ifndef _ASM_IO_H
 #define _ASM_IO_H
 
+#include <linux/bug.h>
 #include <linux/compiler.h>
 #include <linux/types.h>