diff --git a/framework-dotnet/src/lib/MBS.Core/Extensibility/Plugin.cs b/framework-dotnet/src/lib/MBS.Core/Extensibility/Plugin.cs
index c82f5cb..43f58bb 100644
--- a/framework-dotnet/src/lib/MBS.Core/Extensibility/Plugin.cs
+++ b/framework-dotnet/src/lib/MBS.Core/Extensibility/Plugin.cs
@@ -98,6 +98,9 @@ public class Plugin
 			System.Collections.Generic.List<Plugin> plugins = new System.Collections.Generic.List<Plugin>();
 			for (int i = 0; i < types.Length; i++)
 			{
+				if (types[i].IsAbstract)
+					continue;
+					
 				try
 				{
 					/*