diff --git a/src/udp_tracker_connection.cpp b/src/udp_tracker_connection.cpp
index 5a825b31e..0e18984ab 100644
--- a/src/udp_tracker_connection.cpp
+++ b/src/udp_tracker_connection.cpp
@@ -658,7 +658,8 @@ namespace libtorrent
 		// ip address
 		address_v4 announce_ip;
 
-		if (!settings.announce_ip.empty())
+		if (!m_ses.settings().anonymous_mode
+			&& !settings.announce_ip.empty())
 		{
 			error_code ec;
 			address ip = address::from_string(settings.announce_ip.c_str(), ec);