diff --git a/src/crypto/crypto_openssl.c b/src/crypto/crypto_openssl.c
index 457da5666..8506fff49 100644
--- a/src/crypto/crypto_openssl.c
+++ b/src/crypto/crypto_openssl.c
@@ -572,10 +572,14 @@ struct crypto_hash * crypto_hash_init(enum crypto_hash_alg alg, const u8 *key,
 	if (ctx == NULL)
 		return NULL;
 
+#if OPENSSL_VERSION_NUMBER < 0x00909000
+	HMAC_Init_ex(&ctx->ctx, key, key_len, md, NULL);
+#else /* openssl < 0.9.9 */
 	if (HMAC_Init_ex(&ctx->ctx, key, key_len, md, NULL) != 1) {
 		os_free(ctx);
 		return NULL;
 	}
+#endif /* openssl < 0.9.9 */
 
 	return ctx;
 }
@@ -603,7 +607,12 @@ int crypto_hash_finish(struct crypto_hash *ctx, u8 *mac, size_t *len)
 	}
 
 	mdlen = *len;
+#if OPENSSL_VERSION_NUMBER < 0x00909000
+	HMAC_Final(&ctx->ctx, mac, &mdlen);
+	res = 1;
+#else /* openssl < 0.9.9 */
 	res = HMAC_Final(&ctx->ctx, mac, &mdlen);
+#endif /* openssl < 0.9.9 */
 	HMAC_CTX_cleanup(&ctx->ctx);
 	os_free(ctx);