diff --git a/src/daemon/gnuserv.c b/src/daemon/gnuserv.c
index f924b090..7406f7c8 100644
--- a/src/daemon/gnuserv.c
+++ b/src/daemon/gnuserv.c
@@ -41,6 +41,7 @@
 
 #include <glibtop/gnuserv.h>
 
+#include <errno.h>
 #include <popt-gnome.h>
 
 #include "daemon.h"