diff --git a/Editor/Obfuscator.cs b/Editor/Obfuscator.cs
index 71e6019..6b2008f 100644
--- a/Editor/Obfuscator.cs
+++ b/Editor/Obfuscator.cs
@@ -330,6 +330,7 @@ namespace Obfuz
 
         private void LoadAssemblies(AssemblyCache assemblyCache, List<ModuleDef> modulesToObfuscate, List<ModuleDef> allObfuscationRelativeModules)
         {
+            assemblyCache.LoadModule("Obfuz.Runtime");
             foreach (string assName in _allObfuscationRelativeAssemblyNames)
             {
                 ModuleDefMD mod = assemblyCache.TryLoadModule(assName);