diff --git a/src/makefile.unix b/src/makefile.unix
index 350f40c..57c6f9a 100644
--- a/src/makefile.unix
+++ b/src/makefile.unix
@@ -7,7 +7,7 @@ USE_IPV6:=1
 
 LINK:=$(CXX)
 
-DEFS=-DBOOST_SPIRIT_THREADSAFE
+DEFS=-DBOOST_SPIRIT_THREADSAFE -DBOOST_ASIO_ENABLE_OLD_SERVICES
 
 DEFS += $(addprefix -I,$(CURDIR) $(CURDIR)/obj $(BOOST_INCLUDE_PATH) $(BDB_INCLUDE_PATH) $(OPENSSL_INCLUDE_PATH))
 LIBS = $(addprefix -L,$(BOOST_LIB_PATH) $(BDB_LIB_PATH) $(OPENSSL_LIB_PATH))
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -1031,10 +1031,14 @@ void ThreadMapPort2(void* parg)
 #ifndef UPNPDISCOVER_SUCCESS
     /* miniupnpc 1.5 */
     devlist = upnpDiscover(2000, multicastif, minissdpdpath, 0);
-#else
+#elif MINIUPNPC_API_VERSION < 14
     /* miniupnpc 1.6 */
     int error = 0;
     devlist = upnpDiscover(2000, multicastif, minissdpdpath, 0, 0, &error);
+#else
+    /* miniupnpc 1.9.20150730 */
+    int error = 0;
+    devlist = upnpDiscover(2000, multicastif, minissdpdpath, 0, 0, 2, &error);
 #endif
 
     struct UPNPUrls urls;