diff --git a/src/panel.c b/src/panel.c
index 6c917a5ae8226e137accf46e903398953d4ca158..6eeb3c5a2df59e07948d7207250017c3b5fa310d 100644
--- a/src/panel.c
+++ b/src/panel.c
@@ -19,6 +19,8 @@
 #define GNOME_DESKTOP_USE_UNSTABLE_API
 #include <libgnome-desktop/gnome-wall-clock.h>
 
+#include <glib/gi18n.h>
+
 #define _(String) gettext (String)
 
 enum {