diff --git a/Editor/Commands/StripAOTDllCommand.cs b/Editor/Commands/StripAOTDllCommand.cs
index c893a56..fed8c6d 100644
--- a/Editor/Commands/StripAOTDllCommand.cs
+++ b/Editor/Commands/StripAOTDllCommand.cs
@@ -38,7 +38,7 @@ namespace HybridCLR.Editor.Commands
             BashUtil.RemoveDir(outputPath);
 
             var buildOptions = BuildOptions.BuildScriptsOnly;
-#if UNITY_2021_1_OR_NEWER
+#if UNITY_2021_2_OR_NEWER
             buildOptions |= BuildOptions.CleanBuildCache;
 #endif