diff --git a/src/core/wee-network.c b/src/core/wee-network.c
index f4b9c2540..dda11c046 100644
--- a/src/core/wee-network.c
+++ b/src/core/wee-network.c
@@ -42,6 +42,7 @@
 #include <poll.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
+#include <arpa/nameser.h>
 #include <netdb.h>
 #include <resolv.h>
 #include <errno.h>
diff --git a/src/plugins/irc/irc-server.c b/src/plugins/irc/irc-server.c
index a2ec91220..20e40f02f 100644
--- a/src/plugins/irc/irc-server.c
+++ b/src/plugins/irc/irc-server.c
@@ -38,9 +38,10 @@
 #endif /* _WIN32 */
 #include <sys/types.h>
 #include <netdb.h>
-#include <resolv.h>
 #include <arpa/inet.h>
 #include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <resolv.h>
 
 #ifdef HAVE_GNUTLS
 #include <gnutls/gnutls.h>
diff --git a/src/plugins/xfer/xfer.c b/src/plugins/xfer/xfer.c
index d01b457b9..7730fdf36 100644
--- a/src/plugins/xfer/xfer.c
+++ b/src/plugins/xfer/xfer.c
@@ -29,6 +29,7 @@
 #include <time.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
+#include <arpa/nameser.h>
 #include <netdb.h>
 #include <resolv.h>
 #include <gcrypt.h>