diff --git a/CHANGELOG.md b/CHANGELOG.md
index fb06fc4..1a47655 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 
 ### Fixed
+- Apply on play isn't suppressed when Av3mu is present (#200)
 - JP fonts disappear after leaving play mode (#199)
 
 ### Changed
diff --git a/Runtime/ApplyOnPlayGlobalActivator.cs b/Runtime/ApplyOnPlayGlobalActivator.cs
index ce4480a..eed934f 100644
--- a/Runtime/ApplyOnPlayGlobalActivator.cs
+++ b/Runtime/ApplyOnPlayGlobalActivator.cs
@@ -20,15 +20,17 @@ internal static bool IsAv3EmuActive()
         { 
             if (!ScriptableSingleton<NonPersistentConfig>.instance.applyOnPlay) return false;
 
-            foreach (var scene in Enumerable.Range(0, SceneManager.sceneCount).Select(SceneManager.GetSceneAt).Where(x => x.isLoaded))
+            foreach (var scene in Enumerable.Range(0, SceneManager.sceneCount).Select(SceneManager.GetSceneAt).Where(x => x.IsValid()))
             foreach (var root in scene.GetRootGameObjects())
-            foreach (var emulator in root.GetComponentsInChildren<LyumaAv3Emulator>())
             {
-                if (emulator.enabled && emulator.gameObject.activeInHierarchy)
+                foreach (var emulator in root.GetComponentsInChildren<LyumaAv3Emulator>())
                 {
-                    // Force enable hook processing, same as VRCFury
-                    emulator.RunPreprocessAvatarHook = true;
-                    return true;
+                    if (emulator.enabled && emulator.gameObject.activeInHierarchy)
+                    {
+                        // Force enable hook processing, same as VRCFury
+                        emulator.RunPreprocessAvatarHook = true;
+                        return true;
+                    }
                 }
             }
 
diff --git a/UnitTests~/PluginResolverTests/BeforeAfterPlugin.cs b/UnitTests~/PluginResolverTests/BeforeAfterPlugin.cs
index 409fb3c..5935217 100644
--- a/UnitTests~/PluginResolverTests/BeforeAfterPlugin.cs
+++ b/UnitTests~/PluginResolverTests/BeforeAfterPlugin.cs
@@ -2,7 +2,6 @@
 using System.Linq;
 using nadena.dev.ndmf;
 using NUnit.Framework;
-using PlasticPipe.PlasticProtocol.Messages;
 
 namespace UnitTests.PluginResolverTests
 {