diff --git a/src/main/java/org/owasp/esapi/errors/IntrusionException.java b/src/main/java/org/owasp/esapi/errors/IntrusionException.java
index 4af7f4122..6332f297b 100644
--- a/src/main/java/org/owasp/esapi/errors/IntrusionException.java
+++ b/src/main/java/org/owasp/esapi/errors/IntrusionException.java
@@ -28,7 +28,7 @@
  * 
  * @author Jeff Williams (jeff.williams@aspectsecurity.com)
  */
-public class IntrusionException extends RuntimeException {
+public class IntrusionException extends EnterpriseSecurityException {
 
     /** The Constant serialVersionUID. */
     private static final long serialVersionUID = 1L;