diff --git a/src/Board.java b/src/Board.java
index c91468c..c604515 100644
--- a/src/Board.java
+++ b/src/Board.java
@@ -56,7 +56,7 @@ public class Board {
 	}
 
 	private void createShip(int semester){
-		List<ShipData> shipData = Ship.semeterList.get(semester -1);
+		List<ShipData> shipData = Ship.semeterList.get(semester);
 		for (int i = 0; i < shipData.size(); i++) {
 			this.ships.add(new Ship(shipData.get(i).size(), shipData.get(i).name()));
 		}