diff --git a/src/crypto/crypto_openssl.c b/src/crypto/crypto_openssl.c
index 07455d91f..2d8ff60aa 100644
--- a/src/crypto/crypto_openssl.c
+++ b/src/crypto/crypto_openssl.c
@@ -1835,6 +1835,7 @@ int omac1_aes_vector(const u8 *key, size_t key_len, size_t num_elem,
 	ret = 0;
 fail:
 	EVP_MAC_CTX_free(ctx);
+	EVP_MAC_free(emac);
 	return ret;
 #else /* OpenSSL version >= 3.0 */
 	CMAC_CTX *ctx;