1 files changed, 1 insertions, 1 deletions
diff --git a/src/book.h b/src/book.h
index f8fc747..7a336ef 100644
--- a/src/book.h
+++ b/src/book.h
@@ -47,7 +47,7 @@ Book *book_new (void);
 
 void book_clear (Book *book);
 
-Page *book_append_page (Book *book, gint width, gint height, gint dpi, Orientation orientation);
+Page *book_append_page (Book *book, gint width, gint height, gint dpi, ScanDirection orientation);
 
 void book_delete_page (Book *book, Page *page);