diff --git a/scripts/sync-ebooks b/scripts/sync-ebooks
index 631d9e14..edd4137c 100755
--- a/scripts/sync-ebooks
+++ b/scripts/sync-ebooks
@@ -61,6 +61,10 @@ while [ $# -gt 0 ]; do
 			verbosity=2
 			shift 1
 			;;
+		-u|--update-only)
+			updateOnly="true"
+			shift 1
+			;;
 		--verbosity)
 			check_arg '*[!0-9]*' "$2" "Verbosity is not a positive integer."
 			verbosity="$2"