diff --git a/src/main/java/com/falsepattern/endlessids/mixin/plugin/Mixin.java b/src/main/java/com/falsepattern/endlessids/mixin/plugin/Mixin.java
index 89ad855..1562f28 100644
--- a/src/main/java/com/falsepattern/endlessids/mixin/plugin/Mixin.java
+++ b/src/main/java/com/falsepattern/endlessids/mixin/plugin/Mixin.java
@@ -32,6 +32,7 @@ import lombok.RequiredArgsConstructor;
 import java.util.List;
 import java.util.function.Predicate;
 
+import static com.falsepattern.endlessids.mixin.plugin.TargetedMod.AM2;
 import static com.falsepattern.lib.mixin.IMixin.PredicateHelpers.avoid;
 import static com.falsepattern.lib.mixin.IMixin.PredicateHelpers.condition;
 import static com.falsepattern.lib.mixin.IMixin.PredicateHelpers.require;
@@ -271,8 +272,8 @@ public enum Mixin implements IMixin {
     //region vanilla
     PotionEffectMixin(Side.COMMON, condition(() -> GeneralConfig.extendPotion), "potion.vanilla.PotionEffectMixin"),
     PotionMixin(Side.COMMON, condition(() -> GeneralConfig.extendPotion), "potion.vanilla.PotionMixin"),
-    S1DPacketEntityEffectMixin(Side.COMMON, condition(() -> GeneralConfig.extendPotion), "potion.vanilla.network.S1DPacketEntityEffectMixin"),
-    S1EPacketRemoveEntityEffectMixin(Side.COMMON, condition(() -> GeneralConfig.extendPotion), "potion.vanilla.network.S1EPacketRemoveEntityEffectMixin"),
+    S1DPacketEntityEffectMixin(Side.COMMON, condition(() -> GeneralConfig.extendPotion).and(avoid(AM2)), "potion.vanilla.network.S1DPacketEntityEffectMixin"),
+    S1EPacketRemoveEntityEffectMixin(Side.COMMON, condition(() -> GeneralConfig.extendPotion).and(avoid(AM2)), "potion.vanilla.network.S1EPacketRemoveEntityEffectMixin"),
     //endregion vanilla
     //region Thaumcraft
     common_potion_Thaumcraft_ConfigMixin(Side.COMMON, condition(() -> GeneralConfig.extendPotion).and(require(TargetedMod.THAUMCRAFT)), "potion.thaumcraft.ConfigMixin"),
diff --git a/src/main/java/com/falsepattern/endlessids/mixin/plugin/TargetedMod.java b/src/main/java/com/falsepattern/endlessids/mixin/plugin/TargetedMod.java
index 16f6f13..63b3f4f 100644
--- a/src/main/java/com/falsepattern/endlessids/mixin/plugin/TargetedMod.java
+++ b/src/main/java/com/falsepattern/endlessids/mixin/plugin/TargetedMod.java
@@ -36,6 +36,7 @@ public enum TargetedMod implements ITargetedMod {
     ABYSSALCRAFT("AbyssalCraft", false, contains("abyssalcraft-")),
     AROCKETRY("Advanced Rocketry", false, contains("advancedrocketry-")),
     ATG("Alternate Terrain Generation", false, contains("atg")),
+    AM2("Ars Magica 2", false, contains("am2").or(contains("arsmagica2"))),
     ANTIQUEATLAS("Antique Atlas", false, contains("antiqueatlas")),
     ANTIIDCONFLICT("Anti ID Conflict", false, contains("antiidconflict")),
     BOP("Biomes O' Plenty", false, contains("biomesoplenty-")),