diff --git a/Mage.Sets/src/mage/cards/t/TheAetherspark.java b/Mage.Sets/src/mage/cards/t/TheAetherspark.java
index c85453d48c8..1ede8353291 100644
--- a/Mage.Sets/src/mage/cards/t/TheAetherspark.java
+++ b/Mage.Sets/src/mage/cards/t/TheAetherspark.java
@@ -100,7 +100,7 @@ class TheAethersparkEffect extends RestrictionEffect {
     @Override
     public boolean applies(Permanent permanent, Ability source, Game game) {
         return Optional
-                .ofNullable(source.getControllerId())
+                .ofNullable(source.getSourceId())
                 .map(game::getPermanent)
                 .map(Permanent::getAttachedTo)
                 .map(game::getPermanent)