diff --git a/src/vehicle_base.h b/src/vehicle_base.h
index 55966e49c3..14862645ad 100644
--- a/src/vehicle_base.h
+++ b/src/vehicle_base.h
@@ -669,6 +669,7 @@ public:
 
 		this->profit_this_year = src->profit_this_year;
 		this->profit_last_year = src->profit_last_year;
+		this->profit_lifetime = -this->profit_this_year;
 	}