diff --git a/include/libtorrent/ssl_stream.hpp b/include/libtorrent/ssl_stream.hpp
index f2a225e4e..b6837fd48 100644
--- a/include/libtorrent/ssl_stream.hpp
+++ b/include/libtorrent/ssl_stream.hpp
@@ -63,7 +63,11 @@ public:
 	typedef typename Stream::protocol_type protocol_type;
 
 	void set_host_name(std::string name)
-	{ SSL_set_tlsext_host_name(m_sock.native_handle(), name.c_str()); }
+	{
+#if OPENSSL_VERSION_NUMBER >= 0x90812f
+		SSL_set_tlsext_host_name(m_sock.native_handle(), name.c_str());
+#endif
+	}
 
 	template <class T>
 	void set_verify_callback(T const& fun, error_code& ec)
diff --git a/src/session_impl.cpp b/src/session_impl.cpp
index 00cb12ea1..bf3e80ccd 100644
--- a/src/session_impl.cpp
+++ b/src/session_impl.cpp
@@ -541,7 +541,7 @@ namespace aux {
 	int session_impl::logging_allocator::allocated_bytes = 0;
 #endif
 
-#if defined TORRENT_USE_OPENSSL && BOOST_VERSION >= 104700
+#if defined TORRENT_USE_OPENSSL && BOOST_VERSION >= 104700 && OPENSSL_VERSION_NUMBER >= 0x90812f
 	// when running bittorrent over SSL, the SNI (server name indication)
 	// extension is used to know which torrent the incoming connection is
 	// trying to connect to. The 40 first bytes in the name is expected to
@@ -689,8 +689,10 @@ namespace aux {
 #ifdef TORRENT_USE_OPENSSL
 		m_ssl_ctx.set_verify_mode(asio::ssl::context::verify_none, ec);
 #if BOOST_VERSION >= 104700
+#if OPENSSL_VERSION_NUMBER >= 0x90812f
 		SSL_CTX_set_tlsext_servername_callback(m_ssl_ctx.native_handle(), servername_callback);
 		SSL_CTX_set_tlsext_servername_arg(m_ssl_ctx.native_handle(), this);
+#endif // OPENSSL_VERSION_NUMBER
 #endif // BOOST_VERSION
 #endif
 
diff --git a/src/socket_type.cpp b/src/socket_type.cpp
index a84dc1187..24cde253c 100644
--- a/src/socket_type.cpp
+++ b/src/socket_type.cpp
@@ -84,11 +84,14 @@ namespace libtorrent
 		}
 #undef CASE
 
+#if OPENSSL_VERSION_NUMBER >= 0x90812f
 		if (ctx)
 		{
 			SSL_CTX_set_tlsext_servername_callback(ctx, 0);
 			SSL_CTX_set_tlsext_servername_arg(ctx, 0);
 		}
+#endif // OPENSSL_VERSION_NUMBER
+
 #endif
 	}