diff --git a/flatpak/.local/share/flatpak/overrides/com.calibre_ebook.calibre b/flatpak/.local/share/flatpak/overrides/com.calibre_ebook.calibre
index f524aca..3198f76 100644
--- a/flatpak/.local/share/flatpak/overrides/com.calibre_ebook.calibre
+++ b/flatpak/.local/share/flatpak/overrides/com.calibre_ebook.calibre
@@ -1,2 +1,2 @@
 [Context]
-filesystems=xdg-documents;!host
+filesystems=xdg-documents;~/Books:ro;!host