diff --git a/docker-entrypoint.sh b/docker-entrypoint.sh
index 183905e..f18201d 100755
--- a/docker-entrypoint.sh
+++ b/docker-entrypoint.sh
@@ -17,9 +17,8 @@ rm -f /fgc/data/browser/SingletonLock 2>/dev/null || true
 mkdir -p /fgc/data/browser
 # fix for 'Incorrect response' after solving a captcha correctly - https://github.com/vogler/free-games-claimer/issues/261#issuecomment-1868385830
 # Only write the prefs file when the volume is writable (container runs as non-root).
-if touch /fgc/data/browser/.write-test 2>/dev/null; then
-  rm -f /fgc/data/browser/.write-test 2>/dev/null || true
-  cat << 'EOT' > /fgc/data/browser/user.js 2>/dev/null || echo "Warning: failed to write /fgc/data/browser/user.js (permission issue?)." >&2
+if [ -w /fgc/data/browser ] && { [ ! -e /fgc/data/browser/user.js ] || [ -w /fgc/data/browser/user.js ] || rm -f /fgc/data/browser/user.js 2>/dev/null; }; then
+  cat << 'EOT' > /fgc/data/browser/user.js
 user_pref("privacy.resistFingerprinting", true);
 // user_pref("privacy.resistFingerprinting.letterboxing", true);
 // user_pref("browser.contentblocking.category", "strict");
@@ -57,4 +56,11 @@ echo "VNC is running on port $VNC_PORT ($pwt)"
 websockify -D --web "/usr/share/novnc/" $NOVNC_PORT "localhost:$VNC_PORT" 2>/dev/null 1>&2 &
 echo "noVNC (VNC via browser) is running on http://localhost:$NOVNC_PORT"
 echo
+
+# Ensure Playwright browsers are available (chromium + firefox).
+if [ ! -x /home/fgc/.cache/ms-playwright/firefox-1482/firefox/firefox ] || ! ls /home/fgc/.cache/ms-playwright/chromium-*/*/chrome >/dev/null 2>&1; then
+  echo "Playwright browsers missing; installing..."
+  npx playwright install chromium firefox || echo "Warning: failed to install Playwright browsers" >&2
+fi
+
 exec tini -g -- "$@" # https://github.com/krallin/tini/issues/8 node/playwright respond to signals like ctrl-c, but unsure about zombie processes