diff --git a/ssl.c b/ssl.c
index 6c67879..1a222bb 100644
--- a/ssl.c
+++ b/ssl.c
@@ -359,7 +359,9 @@ static SSL_CTX *ssl_create_context(char *keyfile, char *certfile,
 			debug("continuing anyway...");
 		}
 	}
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
 	SSL_CTX_set_tmp_rsa_callback(ssl_context, ssl_temp_rsa_cb);
+#endif
 	SSL_CTX_set_info_callback(ssl_context, ssl_info_cb);
 	SSL_CTX_set_tlsext_status_cb(ssl_context, ssl_stapling_cb);
 	SSL_CTX_set_tlsext_servername_callback(ssl_context, ssl_sni_cb);
@@ -405,8 +407,10 @@ static SSL_CTX *ssl_create_context(char *keyfile, char *certfile,
 
 int ssl_init(void)
 {
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
 	SSL_load_error_strings();
 	SSLeay_add_ssl_algorithms();
+#endif
 	ssl_context = ssl_create_context(keyfile, certfile, cacert_dir, cacert_file);
 	if (ssl_context == NULL) {
 		error("Unable to create default context");
diff --git a/ssl.h b/ssl.h
index a0dcd18..b63161e 100644
--- a/ssl.h
+++ b/ssl.h
@@ -1,6 +1,8 @@
 #ifdef HAVE_LIBSSL
 #include <openssl/ssl.h>
 #include <openssl/err.h>
+#include <openssl/bn.h>
+#include <openssl/rsa.h>
 
 #define SRV_SSL_V23 0
 #define SRV_SSL_V2 1