diff --git a/doomsday/engine/api/doomsday.h b/doomsday/engine/api/doomsday.h
index ca5e49540c..1324c1e0eb 100644
--- a/doomsday/engine/api/doomsday.h
+++ b/doomsday/engine/api/doomsday.h
@@ -63,6 +63,7 @@ extern          "C" {
     typedef struct sector_s { int type; } sector_t;
     typedef struct plane_s { int type; } plane_t;
     typedef struct material_s { int type; } material_t;
+    typedef struct font_s { int type; } font_t;
 #endif
 
 #include "dd_share.h"