diff --git a/Mage.Tests/src/test/java/org/mage/test/serverside/base/impl/CardTestPlayerAPIImpl.java b/Mage.Tests/src/test/java/org/mage/test/serverside/base/impl/CardTestPlayerAPIImpl.java
index 7147cf4de8..8454fe9586 100644
--- a/Mage.Tests/src/test/java/org/mage/test/serverside/base/impl/CardTestPlayerAPIImpl.java
+++ b/Mage.Tests/src/test/java/org/mage/test/serverside/base/impl/CardTestPlayerAPIImpl.java
@@ -1713,7 +1713,7 @@ public abstract class CardTestPlayerAPIImpl extends MageTestPlayerBase implement
      * Ends a block of actions to be added after an rollback action
      */
     public void rollbackAfterActionsEnd() throws IllegalStateException {
-        if (rollbackBlockActive = false || rollbackPlayer == null) {
+        if (!rollbackBlockActive || rollbackPlayer == null) {
             throw new IllegalStateException("There was no rollback action defined before or no rollback block started. You can use this command only after a rollback action.");
         }
         rollbackBlockActive = false;