diff --git a/Mage.Server.Plugins/Mage.Deck.Constructed/src/mage/deck/AbstractCommander.java b/Mage.Server.Plugins/Mage.Deck.Constructed/src/mage/deck/AbstractCommander.java
index b8a3090f6f..4f80709c18 100644
--- a/Mage.Server.Plugins/Mage.Deck.Constructed/src/mage/deck/AbstractCommander.java
+++ b/Mage.Server.Plugins/Mage.Deck.Constructed/src/mage/deck/AbstractCommander.java
@@ -83,7 +83,7 @@ public abstract class AbstractCommander extends Constructed {
             return false;
         }
         if (commander1.getAbilities().containsClass(ChooseABackgroundAbility.class) == commander2.hasSubTypeForDeckbuilding(SubType.BACKGROUND)
-                || commander2.getAbilities().containsClass(ChooseABackgroundAbility.class) == commander1.hasSubTypeForDeckbuilding(SubType.BACKGROUND)) {
+                && commander2.getAbilities().containsClass(ChooseABackgroundAbility.class) == commander1.hasSubTypeForDeckbuilding(SubType.BACKGROUND)) {
             return true;
         }
         if (commander1.hasSubTypeForDeckbuilding(SubType.BACKGROUND)) {
diff --git a/Mage.Tests/src/test/java/org/mage/test/serverside/deck/CommanderDeckValidationTest.java b/Mage.Tests/src/test/java/org/mage/test/serverside/deck/CommanderDeckValidationTest.java
index 6301b9eefc..872c04f7fd 100644
--- a/Mage.Tests/src/test/java/org/mage/test/serverside/deck/CommanderDeckValidationTest.java
+++ b/Mage.Tests/src/test/java/org/mage/test/serverside/deck/CommanderDeckValidationTest.java
@@ -71,4 +71,28 @@ public class CommanderDeckValidationTest extends MageTestBase {
 
         deckTester.validate();
     }
+
+    @Test(expected = AssertionError.class)
+    public void testBackgrounds() {
+        DeckTester deckTester = new DeckTester(new Commander());
+        deckTester.addMaindeck("Forest", 98);
+
+        deckTester.addSideboard("Thrasios, Triton Hero", 1);
+        deckTester.addSideboard("Haunted One", 1);
+
+        deckTester.validate(
+                "Commanders without the 'Choose a Background' ability should not be able to have a background as an additional commander");
+    }
+
+    @Test()
+    public void testBackgrounds2() {
+        DeckTester deckTester = new DeckTester(new Commander());
+        deckTester.addMaindeck("Plains", 98);
+
+        deckTester.addSideboard("Abdel Adrian, Gorion's Ward", 1);
+        deckTester.addSideboard("Haunted One", 1);
+
+        deckTester.validate(
+                "Commanders with the 'Choose a Background' ability should be able to have a background as an additional commander");
+    }
 }