diff --git a/src/plugins/irc/irc-server.c b/src/plugins/irc/irc-server.c
index 05e78fca3..c058ba9d1 100644
--- a/src/plugins/irc/irc-server.c
+++ b/src/plugins/irc/irc-server.c
@@ -39,6 +39,7 @@
 #include <sys/types.h>
 #include <netdb.h>
 #include <arpa/inet.h>
+#include <netinet/in.h>
 
 #ifdef HAVE_GNUTLS
 #include <gnutls/gnutls.h>