diff --git a/crypto/hmacpriv.h b/crypto/hmacpriv.h
index 2be389a..4387ca2 100644
--- a/crypto/hmacpriv.h
+++ b/crypto/hmacpriv.h
@@ -33,4 +33,16 @@
                                   Error **errp);
 extern QCryptoHmacDriver qcrypto_hmac_lib_driver;
 
+#ifdef CONFIG_AF_ALG
+
+#include "afalgpriv.h"
+
+extern QCryptoAFAlg *
+qcrypto_afalg_hmac_ctx_new(QCryptoHashAlgorithm alg,
+                           const uint8_t *key, size_t nkey,
+                           Error **errp);
+extern QCryptoHmacDriver qcrypto_hmac_afalg_driver;
+
+#endif
+
 #endif