1 files changed, 1 insertions, 0 deletions
diff --git a/src/ship.h b/src/ship.h
index 6c64e4a7a..6e696f088 100644
--- a/src/ship.h
+++ b/src/ship.h
@@ -40,6 +40,7 @@ struct Ship: public Vehicle {
 	virtual ~Ship() {}
 
 	const char *GetTypeString() { return "ship"; }
+	void MarkDirty();
 };
 
 #endif /* SHIP_H */