diff --git a/src/net/common/ircthread.cpp b/src/net/common/ircthread.cpp
index 7dc4b420..b454c222 100644
--- a/src/net/common/ircthread.cpp
+++ b/src/net/common/ircthread.cpp
@@ -33,6 +33,7 @@
 #include <net/ircthread.h>
 #include <net/socket_msg.h>
 #include <libircclient/libircclient.h>
+#include <libircclient/libirc_rfcnumeric.h>
 #include <boost/algorithm/string/predicate.hpp>
 #include <queue>
 #include <sstream>