diff --git a/src/cargopacket.h b/src/cargopacket.h
--- a/src/cargopacket.h
+++ b/src/cargopacket.h
@@ -63,7 +63,7 @@ struct CargoPacket : PoolItem<CargoPacke
  * @param cp    the variable used as "iterator"
  * @param start the cargo packet ID of the first packet to iterate over
  */
-#define FOR_ALL_CARGOPACKETS_FROM(cp, start) for (cp = GetCargoPacket(start); cp != NULL; cp = (cp->index + 1U < GetCargoPacketPoolSize()) ? GetCargoPacket(cp->index + 1U) : NULL) if (cp->IsValid())
+#define FOR_ALL_CARGOPACKETS_FROM(cp, start) for (cp = CargoPacket::Get(start); cp != NULL; cp = (cp->index + 1U < GetCargoPacketPoolSize()) ? CargoPacket::Get(cp->index + 1U) : NULL) if (cp->IsValid())
 
 /**
  * Iterate over all _valid_ cargo packets from the begin of the pool