diff --git a/src/ssl.c b/src/ssl.c
index 2124c8e4e..b255f03be 100644
--- a/src/ssl.c
+++ b/src/ssl.c
@@ -31988,7 +31988,7 @@ void wolfSSL_OPENSSL_config(char *config_name)
 #endif
 #endif
 
-#ifdef WOLFSSL_NGINX
+#if defined(WOLFSSL_NGINX) || defined(WOLFSSL_HAPROXY)
 int wolfSSL_X509_get_ex_new_index(int idx, void *arg, void *a, void *b, void *c)
 {
     static int x509_idx = 0;
diff --git a/wolfssl/openssl/ssl.h b/wolfssl/openssl/ssl.h
index 229550ef0..e30b203b6 100644
--- a/wolfssl/openssl/ssl.h
+++ b/wolfssl/openssl/ssl.h
@@ -823,7 +823,9 @@ typedef WOLFSSL_ASN1_BIT_STRING    ASN1_BIT_STRING;
 #define ERR_LIB_PEM             9
 #define ERR_LIB_X509            10
 
-#ifdef WOLFSSL_NGINX
+#if defined(WOLFSSL_NGINX) || defined(WOLFSSL_HAPROXY) || \
+    defined(WOLFSSL_MYSQL_COMPATIBLE)
+
 #include <wolfssl/error-ssl.h>
 
 #define OPENSSL_STRING    WOLFSSL_STRING