diff --git a/arch/sh/include/asm/checksum_32.h b/arch/sh/include/asm/checksum_32.h
index a6501b856f3eb4d1702fa1b0550d6a840f9c84de..2b5fa75b4651e4351c8e18b87ead481d6f4de2a8 100644
--- a/arch/sh/include/asm/checksum_32.h
+++ b/arch/sh/include/asm/checksum_32.h
@@ -7,6 +7,7 @@
  */
 
 #include <linux/in6.h>
+#include <linux/uaccess.h>
 
 /*
  * computes the checksum of a memory block at buff, length len,