diff --git a/sdk/helper/certutil/helpers.go b/sdk/helper/certutil/helpers.go
index 96ed514739021..4ce36b6d6dc7d 100644
--- a/sdk/helper/certutil/helpers.go
+++ b/sdk/helper/certutil/helpers.go
@@ -684,7 +684,7 @@ func createCertificate(data *CreationBundle, randReader io.Reader) (*ParsedCertB
 		case "ed25519":
 			certTemplate.SignatureAlgorithm = x509.PureEd25519
 		case "ec":
-			certTemplate.SignatureAlgorithm = selectSignatureAlgorithmForECDSA(data.SigningBundle.PrivateKey.Public(), data.Params.SignatureBits)
+			certTemplate.SignatureAlgorithm = selectSignatureAlgorithmForECDSA(result.PrivateKey.Public(), data.Params.SignatureBits)
 		}
 
 		certTemplate.AuthorityKeyId = subjKeyID