diff --git a/osdep/Binder.hpp b/osdep/Binder.hpp
index 3744ee8a6..f55fa5c8d 100644
--- a/osdep/Binder.hpp
+++ b/osdep/Binder.hpp
@@ -336,6 +336,7 @@ class Binder {
 
 								// if this is a temporary IPv6 address, skip to the next address
 								if (flags & IN6_IFF_TEMPORARY) {
+									close(infoSock);
 									char buf[64];
 #ifdef ZT_TRACE
 									fprintf(stderr, "skip binding to temporary IPv6 address: %s\n", ip.toIpString(buf));