diff --git a/app.py b/app.py
index 9eb1ddd..660a9aa 100644
--- a/app.py
+++ b/app.py
@@ -1209,15 +1209,15 @@ SYSCTL_AUDIT_KEYS = (
 
 
 def _sysctl_audit_command() -> str:
-    script = f'''import glob, json
-from pathlib import Path
+    script = f'''import glob, json, subprocess
 keys = {SYSCTL_AUDIT_KEYS!r}
 live, errors = {{}}, {{}}
 for key in keys:
-    try:
-        live[key] = Path("/proc/sys/" + key.replace(".", "/")).read_text().strip()
-    except OSError as exc:
-        errors[key] = str(exc)[:160]
+    result = subprocess.run(["sysctl", "-n", key], capture_output=True, text=True)
+    if result.returncode == 0:
+        live[key] = result.stdout.strip()
+    else:
+        errors[key] = result.stderr.strip()[:160]
 persistent = {{}}
 for path in ["/etc/sysctl.conf", *sorted(glob.glob("/etc/sysctl.d/*.conf"))]:
     try: