diff --git a/vault_cert_renew.py b/vault_cert_renew.py
index 2b7465b..703ac26 100755
--- a/vault_cert_renew.py
+++ b/vault_cert_renew.py
@@ -60,6 +60,7 @@ if os.path.isfile(cert) and os.path.isfile(key):
     valid = subprocess.run(
         ["openssl", "x509", "-checkend", str(renew_before_days * 86400), "-noout", "-in", cert],
         capture_output=True,
+        check=False,
     )
     if valid.returncode == 0:
         print(f"The certificate is valid for more than {renew_before_days} days, nothing to do")