diff -aur libtorrent-libtorrent-1_1.orig/src/session_impl.cpp libtorrent-libtorrent-1_1/src/session_impl.cpp
--- libtorrent-libtorrent-1_1.orig/src/session_impl.cpp	2016-07-19 16:48:53.882000208 -0700
+++ libtorrent-libtorrent-1_1/src/session_impl.cpp	2016-07-19 16:52:54.445769928 -0700
@@ -1237,7 +1237,8 @@
 	ip_filter const& session_impl::get_ip_filter()
 	{
 		TORRENT_ASSERT(is_single_thread());
-		return *m_ip_filter;
+		if (!m_ip_filter) m_ip_filter = boost::make_shared<ip_filter>();
+        return *m_ip_filter;
 	}
 
 	port_filter const& session_impl::get_port_filter() const
diff -aur libtorrent-libtorrent-1_1.orig/test/test_ip_filter.cpp libtorrent-libtorrent-1_1/test/test_ip_filter.cpp
--- libtorrent-libtorrent-1_1.orig/test/test_ip_filter.cpp	2016-07-19 16:48:53.888666887 -0700
+++ libtorrent-libtorrent-1_1/test/test_ip_filter.cpp	2016-07-19 16:58:57.449753986 -0700
@@ -35,6 +35,7 @@
 
 #include "test.hpp"
 #include "libtorrent/socket_io.hpp"
+#include "libtorrent/session.hpp"
 
 /*
 
@@ -89,6 +90,18 @@
 	}
 }
 
+TORRENT_TEST(session_get_ip_filter)
+{
+    using namespace libtorrent;
+    session ses;
+    ip_filter const& ipf = ses.get_ip_filter();
+    #if TORRENT_USE_IPV6
+    TEST_EQUAL(boost::get<0>(ipf.export_filter()).size(), 1);
+    #else
+    TEST_EQUAL(ipf.export_filter().size(), 1);
+    #endif
+}                    }
+                    
 TORRENT_TEST(ip_filter)
 {
 	using namespace libtorrent;