diff --git a/Editor/Commands/StripAOTDllCommand.cs b/Editor/Commands/StripAOTDllCommand.cs
index 8e6560a..09a6f73 100644
--- a/Editor/Commands/StripAOTDllCommand.cs
+++ b/Editor/Commands/StripAOTDllCommand.cs
@@ -136,8 +136,8 @@ namespace HybridCLR.Editor.Commands
                     options = buildOptions,
                     target = target,
                     targetGroup = BuildPipeline.GetBuildTargetGroup(target),
-#if UNITY_2021_1_OR_NEWER
-                    subtarget = (int)EditorUserBuildSettings.standaloneBuildSubtarget,
+#if UNITY_SERVER
+                    subtarget = (int)StandaloneBuildSubtarget.Server,
 #endif
                 };