1 files changed, 3 insertions, 2 deletions
diff --git a/nuldoc-src/pages/slide_list.ts b/nuldoc-src/pages/slide_list.ts
index 18bea1f..5031436 100644
--- a/nuldoc-src/pages/slide_list.ts
+++ b/nuldoc-src/pages/slide_list.ts
@@ -5,6 +5,7 @@ import { slidePageEntry } from "../components/slide_page_entry.ts";
 import { Config } from "../config.ts";
 import { el, text } from "../dom.ts";
 import { Page } from "../page.ts";
+import { dateToString } from "../revision.ts";
 import { getPostCreatedDate } from "./post.ts";
 import { SlidePage } from "./slide.ts";
 
@@ -33,8 +34,8 @@ export async function generateSlideListPage(
         ),
       ),
       ...Array.from(slides).sort((a, b) => {
-        const ta = getPostCreatedDate(a);
-        const tb = getPostCreatedDate(b);
+        const ta = dateToString(getPostCreatedDate(a));
+        const tb = dateToString(getPostCreatedDate(b));
         if (ta > tb) return -1;
         if (ta < tb) return 1;
         return 0;