diff --git a/src/domain/tls/certificate.rs b/src/domain/tls/certificate.rs
index 1d78a38..24071b3 100644
--- a/src/domain/tls/certificate.rs
+++ b/src/domain/tls/certificate.rs
@@ -35,6 +35,10 @@ impl Certificate {
             .set_subject_name(&name)
             .or_unexpected_while("setting subject name")?;
 
+        builder
+            .set_issuer_name(&name)
+            .or_unexpected_while("setting subject name")?;
+
         // 1970/01/01
         let not_before = Asn1Time::from_unix(0).expect("initializing not_before");
         builder