diff --git a/ChangeLog b/ChangeLog
index 23db60c3d..6f4285b73 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -114,6 +114,8 @@
 
 0.16.18 release
 
+	* fix uninitialized values in DHT DOS mitigation
+	* fix error handling in file::phys_offset
 	* fix bug in HTTP scrape response parsing
 	* enable TCP keepalive for socks5 connection for UDP associate
 	* fix python3 support
diff --git a/src/kademlia/dos_blocker.cpp b/src/kademlia/dos_blocker.cpp
index 495ff2c56..843892018 100644
--- a/src/kademlia/dos_blocker.cpp
+++ b/src/kademlia/dos_blocker.cpp
@@ -43,7 +43,14 @@ namespace libtorrent { namespace dht
 	TORRENT_DECLARE_LOG(dht_tracker);
 #endif
 
-	dos_blocker::dos_blocker() {}
+	dos_blocker::dos_blocker()
+	{
+		for (int i = 0; i < num_ban_nodes; ++i)
+		{
+			m_ban_nodes[i].count = 0;
+			m_ban_nodes[i].limit = min_time();
+		}
+	}
 
 	bool dos_blocker::incoming(address addr, ptime now)
 	{