diff --git a/lib/roken/roken.h.in b/lib/roken/roken.h.in
index a17acf8a0..568ea410b 100644
--- a/lib/roken/roken.h.in
+++ b/lib/roken/roken.h.in
@@ -92,6 +92,9 @@ struct sockaddr_dl;
 #ifdef HAVE_NETDB_H
 #include <netdb.h>
 #endif
+#ifdef HAVE_RESOLV_H
+#include <resolv.h>
+#endif
 #ifdef HAVE_SYSLOG_H
 #include <syslog.h>
 #endif