diff --git a/services/redlib.nix b/services/redlib.nix
index 9f3fd74..ba14d19 100644
--- a/services/redlib.nix
+++ b/services/redlib.nix
@@ -7,6 +7,11 @@
       address = "127.0.0.1";
       port = 8087;
 
+      # Reddit stopped returning the plain-MP4 fallback_url, so redlib renders
+      # <video src=""> unless HLS is on — the browser then reports no playable
+      # source. HLS is the only working path for v.redd.it now.
+      settings.REDLIB_DEFAULT_USE_HLS = "on";
+
       # nixpkgs pins a Dec 2025 redlib that talks to Reddit over plain rustls.
       # Reddit fingerprints TLS and 403s every oauth.reddit.com call from it —
       # the token mints fine, then every API request fails. Upstream main