diff --git a/services/worker/src/workers/youtube-import.js b/services/worker/src/workers/youtube-import.js
index f2765a5..b25356c 100644
--- a/services/worker/src/workers/youtube-import.js
+++ b/services/worker/src/workers/youtube-import.js
@@ -67,7 +67,12 @@ async function runYtDlp({ url, outputTemplate, onProgress }) {
       '--no-playlist',
       '--no-warnings',
       '--restrict-filenames',
-      '-f', "bv*[ext=mp4]+ba[ext=m4a]/b[ext=mp4]/b",
+      // Prefer H.264 (avc1) so the downloaded ORIGINAL is Premiere-native.
+      // YouTube now packs AV1 inside .mp4, so the old `bv*[ext=mp4]` selector
+      // grabbed AV1 — which Premiere rejects on hi-res import ("unsupported
+      // file type"). avc1 tops out at 1080p on YouTube; only if no H.264
+      // rendition exists do we fall back to the previous any-mp4 behaviour.
+      '-f', "bv*[vcodec^=avc1]+ba[ext=m4a]/bv*[vcodec^=avc1]+ba/b[vcodec^=avc1]/bv*[ext=mp4]+ba[ext=m4a]/b[ext=mp4]/b",
       '--merge-output-format', 'mp4',
       '--print-json',
       '--newline',