diff --git a/include/linux/unicode.h b/include/linux/unicode.h
index 6a392cd9f076d..0744f81c4b5fc 100644
--- a/include/linux/unicode.h
+++ b/include/linux/unicode.h
@@ -6,7 +6,7 @@
 #include <linux/dcache.h>
 
 struct unicode_map {
-	int version;
+	unsigned int version;
 };
 
 int utf8_validate(const struct unicode_map *um, const struct qstr *str);