diff --git a/scripts/entrypoint.sh b/scripts/entrypoint.sh
index 51d9638..4429fa2 100644
--- a/scripts/entrypoint.sh
+++ b/scripts/entrypoint.sh
@@ -15,6 +15,12 @@ fi
 DEFAULT_VAULT_PATH="$(python /app/scripts/render_config.py | tail -n 1)"
 
 # Start a virtual X server for the official Obsidian desktop app.
+# Some container/image restarts can leave stale X lock/socket files behind. In
+# this dedicated container nothing else should own DISPLAY, so clear them before
+# starting Xvfb to avoid "Server is already active for display" false positives.
+DISPLAY_NUMBER="${DISPLAY#:}"
+rm -f "/tmp/.X${DISPLAY_NUMBER}-lock" "/tmp/.X11-unix/X${DISPLAY_NUMBER}"
+
 Xvfb "$DISPLAY" -screen 0 "${XVFB_SCREEN:-1280x1024x24}" -nolisten tcp >/tmp/xvfb.log 2>&1 &
 XVFB_PID=$!