diff --git a/src/st/st-settings.h b/src/st/st-settings.h
index a57885c40..106000168 100644
--- a/src/st/st-settings.h
+++ b/src/st/st-settings.h
@@ -31,4 +31,6 @@ G_DECLARE_FINAL_TYPE (StSettings, st_settings, ST, SETTINGS, GObject)
 
 StSettings * st_settings_get (void);
 
+G_END_DECLS
+
 #endif /* __ST_SETTINGS_H__ */