diff --git a/CHANGELOG-PRERELEASE-jp.md b/CHANGELOG-PRERELEASE-jp.md
index 040d37a1..d91fb047 100644
--- a/CHANGELOG-PRERELEASE-jp.md
+++ b/CHANGELOG-PRERELEASE-jp.md
@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 
 ### Fixed
+- [#1531] lylicalInventoryとの互換性問題を修正
 
 ### Changed
 
diff --git a/CHANGELOG-PRERELEASE.md b/CHANGELOG-PRERELEASE.md
index 10d91175..eeb325be 100644
--- a/CHANGELOG-PRERELEASE.md
+++ b/CHANGELOG-PRERELEASE.md
@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 
 ### Fixed
+- [#1531] Fix compatibility issue with lylicalInventory
 
 ### Changed
 
diff --git a/Editor/PluginDefinition/PluginDefinition.cs b/Editor/PluginDefinition/PluginDefinition.cs
index a4708308..54f9f093 100644
--- a/Editor/PluginDefinition/PluginDefinition.cs
+++ b/Editor/PluginDefinition/PluginDefinition.cs
@@ -38,6 +38,13 @@ namespace nadena.dev.modular_avatar.core.editor.plugin
             Sequence seq = InPhase(BuildPhase.Resolving);
             seq.Run(ResolveObjectReferences.Instance);
 
+            // Protect against accidental destructive edits by cloning the input controllers ASAP
+            seq.WithRequiredExtension(typeof(AnimatorServicesContext), s =>
+            {
+                // Just activating the context is enough.
+                s.Run("Clone animators", _ => { });
+            });
+
             seq = InPhase(BuildPhase.Transforming);
             seq.Run("Validate configuration",
                 context => ComponentValidation.ValidateAll(context.AvatarRootObject));