diff --git a/ webgoat/main/project/JavaSource/org/owasp/webgoat/session/Course.java b/ webgoat/main/project/JavaSource/org/owasp/webgoat/session/Course.java
index e11c06aee..0f1b29a3a 100644
--- a/ webgoat/main/project/JavaSource/org/owasp/webgoat/session/Course.java	
+++ b/ webgoat/main/project/JavaSource/org/owasp/webgoat/session/Course.java	
@@ -355,7 +355,7 @@ public class Course
     		String file = (String)itr.next();
     		String className = getClassFile(file, path);
     		
-    		if(className != null)
+    		if(className != null && !className.endsWith("_i"))
     		{
     			try
     			{