diff --git a/src/newgrf.cpp b/src/newgrf.cpp
--- a/src/newgrf.cpp
+++ b/src/newgrf.cpp
@@ -1621,7 +1621,7 @@ static ChangeInfoResult ShipVehicleChang
 					ei->cargo_type = ctype;
 				} else {
 					ei->cargo_type = CT_INVALID;
-					grfmsg(2, "RailVehicleChangeInfo: Invalid cargo type %d, using first refittable", ctype);
+					grfmsg(2, "ShipVehicleChangeInfo: Invalid cargo type %d, using first refittable", ctype);
 				}
 				break;
 			}