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-rw-r--r--osdep/PortMapper.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/osdep/PortMapper.cpp b/osdep/PortMapper.cpp
index 825972b0..9aeeb8d6 100644
--- a/osdep/PortMapper.cpp
+++ b/osdep/PortMapper.cpp
@@ -123,6 +123,7 @@ public:
if (initnatpmp(&natpmp,0,0) != 0) {
mode = 1;
+ closenatpmp(&natpmp);
#ifdef ZT_PORTMAPPER_TRACE
PM_TRACE("PortMapper: NAT-PMP: init failed, switching to UPnP mode" ZT_EOL_S);
#endif