diff --git a/glib/gmessages.c b/glib/gmessages.c
index 70b93a201..c81970c12 100644
--- a/glib/gmessages.c
+++ b/glib/gmessages.c
@@ -106,6 +106,7 @@
 #include <sys/un.h>
 #include <fcntl.h>
 #include <sys/uio.h>
+#include <endian.h>
 
 #include "glib-init.h"
 #include "galloca.h"