diff --git a/fs/affs/file.c b/fs/affs/file.c
index af3261b78102..776e3935a758 100644
--- a/fs/affs/file.c
+++ b/fs/affs/file.c
@@ -836,7 +836,7 @@ affs_truncate(struct inode *inode)
 		struct address_space *mapping = inode->i_mapping;
 		struct page *page;
 		void *fsdata;
-		u32 size = inode->i_size;
+		loff_t size = inode->i_size;
 		int res;
 
 		res = mapping->a_ops->write_begin(NULL, mapping, size, 0, 0, &page, &fsdata);