diff --git a/Pilz.Plugins/PluginManagerT.cs b/Pilz.Plugins/PluginManagerT.cs
index 4ed9414..0db43c6 100644
--- a/Pilz.Plugins/PluginManagerT.cs
+++ b/Pilz.Plugins/PluginManagerT.cs
@@ -187,7 +187,7 @@ namespace Pilz.Plugins
 
                 try
                 {
-                    if (Activator.CreateInstance(type, parameters) is TPluginInterface plugin)
+                    if (Activator.CreateInstance(type, BindingFlags.Public | BindingFlags.NonPublic, null, parameters, null) is TPluginInterface plugin)
                     {
                         if (plugin is IPluginLateInitialization pluginLateInit)
                             pluginLateInit.LateInit();