diff --git a/src/event/ngx_event_openssl.c b/src/event/ngx_event_openssl.c
index 9f3cc86a0..16ba012e5 100644
--- a/src/event/ngx_event_openssl.c
+++ b/src/event/ngx_event_openssl.c
@@ -758,7 +758,7 @@ ngx_ssl_rsa512_key_callback(ngx_ssl_conn_t *ssl_conn, int is_export,
         return NULL;
     }
 
-#ifndef OPENSSL_NO_DEPRECATED
+#if (OPENSSL_VERSION_NUMBER < 0x10100003L && !defined OPENSSL_NO_DEPRECATED)
 
     if (key == NULL) {
         key = RSA_generate_key(512, RSA_F4, NULL, NULL);
diff --git a/src/http/modules/ngx_http_ssl_module.c b/src/http/modules/ngx_http_ssl_module.c
index 12da4f200..6a4108c9f 100644
--- a/src/http/modules/ngx_http_ssl_module.c
+++ b/src/http/modules/ngx_http_ssl_module.c
@@ -718,7 +718,7 @@ ngx_http_ssl_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child)
         SSL_CTX_set_options(conf->ssl.ctx, SSL_OP_CIPHER_SERVER_PREFERENCE);
     }
 
-#ifndef LIBRESSL_VERSION_NUMBER
+#if (OPENSSL_VERSION_NUMBER < 0x10100001L && !defined LIBRESSL_VERSION_NUMBER)
     /* a temporary 512-bit RSA key is required for export versions of MSIE */
     SSL_CTX_set_tmp_rsa_callback(conf->ssl.ctx, ngx_ssl_rsa512_key_callback);
 #endif
diff --git a/src/mail/ngx_mail_ssl_module.c b/src/mail/ngx_mail_ssl_module.c
index 971085c1a..ff5c141e5 100644
--- a/src/mail/ngx_mail_ssl_module.c
+++ b/src/mail/ngx_mail_ssl_module.c
@@ -421,7 +421,7 @@ ngx_mail_ssl_merge_conf(ngx_conf_t *cf, void *parent, void *child)
         SSL_CTX_set_options(conf->ssl.ctx, SSL_OP_CIPHER_SERVER_PREFERENCE);
     }
 
-#ifndef LIBRESSL_VERSION_NUMBER
+#if (OPENSSL_VERSION_NUMBER < 0x10100001L && !defined LIBRESSL_VERSION_NUMBER)
     SSL_CTX_set_tmp_rsa_callback(conf->ssl.ctx, ngx_ssl_rsa512_key_callback);
 #endif
 
diff --git a/src/stream/ngx_stream_ssl_module.c b/src/stream/ngx_stream_ssl_module.c
index 7abd9e150..e12da1b86 100644
--- a/src/stream/ngx_stream_ssl_module.c
+++ b/src/stream/ngx_stream_ssl_module.c
@@ -276,7 +276,7 @@ ngx_stream_ssl_merge_conf(ngx_conf_t *cf, void *parent, void *child)
         SSL_CTX_set_options(conf->ssl.ctx, SSL_OP_CIPHER_SERVER_PREFERENCE);
     }
 
-#ifndef LIBRESSL_VERSION_NUMBER
+#if (OPENSSL_VERSION_NUMBER < 0x10100001L && !defined LIBRESSL_VERSION_NUMBER)
     SSL_CTX_set_tmp_rsa_callback(conf->ssl.ctx, ngx_ssl_rsa512_key_callback);
 #endif