diff --git a/Mage.Tests/src/test/java/org/mage/test/serverside/GameViewTest.java b/Mage.Tests/src/test/java/org/mage/test/serverside/GameViewTest.java
index 1e3472e572d..9f6c19194a4 100644
--- a/Mage.Tests/src/test/java/org/mage/test/serverside/GameViewTest.java
+++ b/Mage.Tests/src/test/java/org/mage/test/serverside/GameViewTest.java
@@ -2,11 +2,14 @@ package org.mage.test.serverside;
 
 import mage.constants.PhaseStep;
 import mage.constants.Zone;
+import mage.game.Game;
 import mage.view.GameView;
 import org.junit.Assert;
 import org.junit.Test;
 import org.mage.test.serverside.base.CardTestPlayerBase;
 
+import java.util.Arrays;
+import java.util.HashSet;
 import java.util.UUID;
 
 /**
@@ -26,6 +29,16 @@ public class GameViewTest extends CardTestPlayerBase {
         UUID userB = UUID.randomUUID();
         UUID userWatcher = UUID.randomUUID();
 
+        // game copy test
+        Assert.assertEquals(0, currentGame.getOptions().bannedUsers.size());
+        Game copiedGame = currentGame.copy();
+        Assert.assertEquals(0, copiedGame.getOptions().bannedUsers.size());
+        //
+        currentGame.getOptions().bannedUsers.add("123");
+        Assert.assertEquals(1, currentGame.getOptions().bannedUsers.size());
+        copiedGame = currentGame.copy();
+        Assert.assertEquals(1, copiedGame.getOptions().bannedUsers.size());
+
         // normal hand
         GameView gameView = getGameView(playerA, userA);
         Assert.assertNotNull(gameView);
diff --git a/Mage/src/main/java/mage/game/GameOptions.java b/Mage/src/main/java/mage/game/GameOptions.java
index f9fe54a7727..6db1767049c 100644
--- a/Mage/src/main/java/mage/game/GameOptions.java
+++ b/Mage/src/main/java/mage/game/GameOptions.java
@@ -53,16 +53,16 @@ public class GameOptions implements Serializable, Copyable<GameOptions> {
     /**
      * Names of users banned from participating in the game
      */
-    public Set<String> bannedUsers = Collections.emptySet();
+    public Set<String> bannedUsers = new HashSet<>();
 
     /**
      * Cards to be given to each player as emblems
      */
-    public Collection<DeckCardInfo> perPlayerEmblemCards = Collections.emptySet();
+    public Collection<DeckCardInfo> perPlayerEmblemCards = new HashSet<>();
     /**
      * Cards to be given to the starting player as emblems
      */
-    public Collection<DeckCardInfo> globalEmblemCards = Collections.emptySet();
+    public Collection<DeckCardInfo> globalEmblemCards = new HashSet<>();
 
 
     // PLANECHASE game mode