diff --git a/forge-gui/src/main/java/forge/game/ability/effects/ChangeZoneAllEffect.java b/forge-gui/src/main/java/forge/game/ability/effects/ChangeZoneAllEffect.java
index 539b564f46c..4567fd39c2f 100644
--- a/forge-gui/src/main/java/forge/game/ability/effects/ChangeZoneAllEffect.java
+++ b/forge-gui/src/main/java/forge/game/ability/effects/ChangeZoneAllEffect.java
@@ -123,7 +123,9 @@ public class ChangeZoneAllEffect extends SpellAbilityEffect {
 
             if (remember != null) {
                 game.getCardState(source).addRemembered(movedCard);
-                source.addRemembered(movedCard);
+                if (!source.getRemembered().contains(movedCard)) {
+                    source.addRemembered(movedCard);
+                }
             }
             if (forget != null) {
                 game.getCardState(source).removeRemembered(c);