diff --git a/Barotrauma/BarotraumaShared/SharedSource/LuaCs/_Services/PluginManagementService.cs b/Barotrauma/BarotraumaShared/SharedSource/LuaCs/_Services/PluginManagementService.cs
index ad32a8d6f..3af050db4 100644
--- a/Barotrauma/BarotraumaShared/SharedSource/LuaCs/_Services/PluginManagementService.cs
+++ b/Barotrauma/BarotraumaShared/SharedSource/LuaCs/_Services/PluginManagementService.cs
@@ -560,9 +560,12 @@ public class PluginManagementService : IAssemblyManagementService
                         compileWithInternalName = resourceInfo.UseInternalAccessName;
                 
                         CancellationToken token = CancellationToken.None;
-                
+
+                        string sourceCode = loadRes.Value;
+                        sourceCode = DoSourceCodeTextCompatibilityPass(sourceCode);
+
                         syntaxTreesBuilder.Add(SyntaxFactory.ParseSyntaxTree(
-                            text: loadRes.Value,
+                            text: sourceCode,
                             options: ScriptParseOptions,
                             path: null,
                             encoding: Encoding.Default,
@@ -613,6 +616,11 @@ public class PluginManagementService : IAssemblyManagementService
         }
     }
 
+    private string DoSourceCodeTextCompatibilityPass(string sourceCode)
+    {
+        return sourceCode.Replace("GameMain.LuaCs", "LuaCsSetup.Instance");
+    }
+
     private IntPtr OnAssemblyLoaderResolvingUnmanaged(Assembly arg1, string arg2)
     {
         // TODO: Implement extern assembly lookup for Native/Unmanaged Assemblies.