diff --git a/lofar_cryptocoryne/cli.py b/lofar_cryptocoryne/cli.py
index 06eb8170e376115fe9ed253645b776503f747bd2..519df39831fd6be39d99cb44f74c64fc9f23f1c1 100644
--- a/lofar_cryptocoryne/cli.py
+++ b/lofar_cryptocoryne/cli.py
@@ -39,7 +39,7 @@ def main():
                 print("Succeed. Request certificate")
                 client.request_certificate()
                 print("Request done")
-                certificate.fullchain = client.certificate.decode()
+                certificate.fullchain = client.certificate
                 print(f"Certificate {certificate}")
                 vault_store.put_certificate(certificate)
                 print("Done")