diff --git a/libaoc/src/lib.rs b/libaoc/src/lib.rs
index 713bc15..1812cdc 100644
--- a/libaoc/src/lib.rs
+++ b/libaoc/src/lib.rs
@@ -5,7 +5,7 @@ use owo_colors::OwoColorize;
 
 #[macro_export]
 macro_rules! run_days {
-    ($($day:ident),+) => {
+    ($($day:ident),+ $(,)?) => {
         libaoc::AocRunner::new()
             $(.day($day::aoc_day()))*
             .run()