diff --git a/src/x11/meta-startup-notification-x11.c b/src/x11/meta-startup-notification-x11.c
index 42be6d580..b870f071f 100644
--- a/src/x11/meta-startup-notification-x11.c
+++ b/src/x11/meta-startup-notification-x11.c
@@ -20,7 +20,6 @@
 #include "meta-startup-notification-x11.h"
 
 #include <gio/gdesktopappinfo.h>
-#include <libsn/sn.h>
 
 #include "core/display-private.h"
 #include "core/startup-notification-private.h"
@@ -29,6 +28,8 @@
 
 #ifdef HAVE_STARTUP_NOTIFICATION
 
+#include <libsn/sn.h>
+
 enum
 {
   PROP_SEQ_X11_0,