diff --git a/tests/scripts/test021-certificate b/tests/scripts/test021-certificate
index 150df453fe75cfdba77251db3dd5c100a00ec329..c414e84284c69b7db50160943942ad434aa34b7b 100755
--- a/tests/scripts/test021-certificate
+++ b/tests/scripts/test021-certificate
@@ -77,7 +77,7 @@ changetype: modify
 add: objectClass
 objectClass: extensibleObject
 -
-add: cAcertificate
+add: cAcertificate;binary
 cAcertificate;binary::
  MIIDVDCCAr2gAwIBAgIBADANBgkqhkiG9w0BAQQFADB3MQswCQYDVQQGEwJVUzET
  MBEGA1UECBMKQ2FsaWZvcm5pYTEfMB0GA1UEChMWT3BlbkxEQVAgRXhhbXBsZSwg
@@ -103,7 +103,7 @@ changetype: modify
 add: objectClass
 objectClass: strongAuthenticationUser
 -
-add: userCertificate
+add: userCertificate;binary
 userCertificate;binary::
  MIIDazCCAtSgAwIBAgIBAjANBgkqhkiG9w0BAQQFADB3MQswCQYDVQQGEwJVUzET
  MBEGA1UECBMKQ2FsaWZvcm5pYTEfMB0GA1UEChMWT3BlbkxEQVAgRXhhbXBsZSwg
@@ -130,7 +130,7 @@ changetype: modify
 add: objectClass
 objectClass: strongAuthenticationUser
 -
-add: userCertificate
+add: userCertificate;binary
 userCertificate;binary::
  MIIDcDCCAtmgAwIBAgIBATANBgkqhkiG9w0BAQQFADB3MQswCQYDVQQGEwJVUzET
  MBEGA1UECBMKQ2FsaWZvcm5pYTEfMB0GA1UEChMWT3BlbkxEQVAgRXhhbXBsZSwg