diff --git a/include/libssh/pki.h b/include/libssh/pki.h
index 096a645f..575d442d 100644
--- a/include/libssh/pki.h
+++ b/include/libssh/pki.h
@@ -74,7 +74,7 @@ struct ssh_key_struct {
     ed25519_privkey *ed25519_privkey;
 #endif /* HAVE_LIBCRYPTO */
     ssh_string sk_application;
-    void *cert;
+    ssh_buffer cert;
     enum ssh_keytypes_e cert_type;
 };
 
diff --git a/src/pki.c b/src/pki.c
index 6b0ef76e..259a8a2f 100644
--- a/src/pki.c
+++ b/src/pki.c
@@ -1476,7 +1476,7 @@ static int pki_import_cert_buffer(ssh_buffer buffer,
 
     key->type = type;
     key->type_c = type_c;
-    key->cert = (void*) cert;
+    key->cert = cert;
 
     *pkey = key;
     return SSH_OK;