diff --git a/Mage/src/main/java/mage/abilities/effects/common/AffinityEffect.java b/Mage/src/main/java/mage/abilities/effects/common/AffinityEffect.java
index a11f5967fb..f3d6e14290 100644
--- a/Mage/src/main/java/mage/abilities/effects/common/AffinityEffect.java
+++ b/Mage/src/main/java/mage/abilities/effects/common/AffinityEffect.java
@@ -30,8 +30,8 @@ public class AffinityEffect extends CostModificationEffectImpl {
         SpellAbility spellAbility = (SpellAbility)abilityToModify;
         Mana mana = spellAbility.getManaCostsToPay().getMana();
         if (mana.getGeneric() > 0) {
-            //int count = game.getBattlefield().count(filter, source.getSourceId(), source.getControllerId(), game); // this doesn't work with Sen Triplets
-            int count = game.getBattlefield().getAllActivePermanents(filter, source.getControllerId(), game).size(); // this works with Sen Triplets
+            // the following works with Sen Triplets and in multiplayer games
+            int count = game.getBattlefield().getActivePermanents(filter, abilityToModify.getControllerId(), source.getId(), game).size();
             int newCount = mana.getGeneric() - count;
             if (newCount < 0) {
                 newCount = 0;