diff --git a/src/acme.rs b/src/acme.rs
index c55517f..1c0e44f 100644
--- a/src/acme.rs
+++ b/src/acme.rs
@@ -631,9 +631,7 @@ pub fn make_certificate_request(
 ) -> Result<X509Req, openssl::error::ErrorStack> {
     let mut req = X509Req::builder()?;
 
-    let mut x509_name = x509::X509NameBuilder::new()?;
-    x509_name.append_entry_by_text("CN", identifiers[0].value())?;
-    let x509_name = x509_name.build();
+    let x509_name = x509::X509NameBuilder::new()?.build();
     req.set_subject_name(&x509_name)?;
 
     let mut extensions = openssl::stack::Stack::new()?;