diff --git a/src/main/java/it/polimi/ingsw/gc14/Model/Cards/Building/BuildingEffect.java b/src/main/java/it/polimi/ingsw/gc14/Model/Cards/Building/BuildingEffect.java
index f268c43..35dcec0 100644
--- a/src/main/java/it/polimi/ingsw/gc14/Model/Cards/Building/BuildingEffect.java
+++ b/src/main/java/it/polimi/ingsw/gc14/Model/Cards/Building/BuildingEffect.java
@@ -1,5 +1,7 @@
 package it.polimi.ingsw.gc14.Model.Cards.Building;
 
+import it.polimi.ingsw.gc14.Model.Player;
+
 public abstract class BuildingEffect {
     private int effectId;
     public int getEffectId(){
@@ -15,5 +17,5 @@ public abstract class BuildingEffect {
         this.effectType = effectType;
     }
     //TO DO
-    public abstract void applyEffect(Object player);
+    public abstract void applyEffect(Player player);
 }