diff --git a/wolfssl/ssl.h b/wolfssl/ssl.h
index 7b7e94572..a2af6f7b5 100644
--- a/wolfssl/ssl.h
+++ b/wolfssl/ssl.h
@@ -350,6 +350,7 @@ typedef struct WOLFSSL_BUFFER_INFO {
 typedef struct WOLFSSL_X509_STORE_CTX {
     WOLFSSL_X509_STORE* store;    /* Store full of a CA cert chain */
     WOLFSSL_X509* current_cert;   /* stunnel dereference */
+    WOLFSSL_X509* current_issuer; /* asio dereference */
     WOLFSSL_X509_CHAIN* sesChain; /* pointer to WOLFSSL_SESSION peer chain */
     WOLFSSL_STACK* chain;
 #ifdef OPENSSL_EXTRA