diff --git a/man/glib-event-glue.c b/man/glib-event-glue.c
index 4baa12c5e8..6349485b3a 100644
--- a/man/glib-event-glue.c
+++ b/man/glib-event-glue.c
@@ -2,6 +2,8 @@
 /* Copyright 2014 Tom Gundersen */
 
 #include <stdlib.h>
+#include <glib.h>
+#include <systemd/sd-event.h>
 
 typedef struct SDEventSource {
   GSource source;