diff --git a/bin/add-jellyfin-user.sh b/bin/add-jellyfin-user.sh
index 3dc6d57..66186de 100755
--- a/bin/add-jellyfin-user.sh
+++ b/bin/add-jellyfin-user.sh
@@ -71,7 +71,7 @@ rm -f /tmp/dp-cur.$$.json /tmp/dp-fix.$$.json
 [[ "$HTTP" == "204" ]] || { echo "  DisplayPreferences POST failed: $HTTP"; exit 1; }
 echo "  Home layout applied."
 
-echo "[3/4] Setting language prefs (audio=eng, subs=eng default)..."
+echo "[3/4] Setting language prefs (force English everywhere, no fallback)..."
 curl -ks "$JELLYFIN_URL/Users/$USER_ID" -H "Authorization: $AUTH" > /tmp/u.$$.json
 python3 - <<EOF > /tmp/u-fix.$$.json
 import json
@@ -81,6 +81,8 @@ c['SubtitleMode'] = 'Default'
 c['SubtitleLanguagePreference'] = 'eng'
 c['AudioLanguagePreference'] = 'eng'
 c['PlayDefaultAudioTrack'] = True
+c['UICulture'] = 'en-US'
+c['DisplayMissingEpisodes'] = False
 print(json.dumps(c))
 EOF
 HTTP=$(curl -ks -X POST "$JELLYFIN_URL/Users/$USER_ID/Configuration" \