diff --git a/src/main/java/net/ripe/rpki/commons/crypto/cms/GenericRpkiSignedObjectParser.java b/src/main/java/net/ripe/rpki/commons/crypto/cms/GenericRpkiSignedObjectParser.java
index 17c0ad79..cd037218 100644
--- a/src/main/java/net/ripe/rpki/commons/crypto/cms/GenericRpkiSignedObjectParser.java
+++ b/src/main/java/net/ripe/rpki/commons/crypto/cms/GenericRpkiSignedObjectParser.java
@@ -19,6 +19,11 @@ public DateTime getSigningTime() {
         return super.getSigningTime();
     }
 
+    /**
+     * Extend visibility of the certificate to make it public.
+     * @return the certificate.
+     */
+    @Override
     public X509ResourceCertificate getCertificate() {
         return super.getCertificate();
     }