diff --git a/cas-client-core/src/main/java/org/jasig/cas/client/Protocol.java b/cas-client-core/src/main/java/org/jasig/cas/client/Protocol.java
index 184104f..b484d11 100644
--- a/cas-client-core/src/main/java/org/jasig/cas/client/Protocol.java
+++ b/cas-client-core/src/main/java/org/jasig/cas/client/Protocol.java
@@ -1,13 +1,14 @@
 package org.jasig.cas.client;
 
 /**
- * Created by battags on 10/14/14.
+ * Simple enumeration to hold/capture some of the standard request parameters used by the various protocols.
+ *
+ * @author Scott Battaglia
+ * @since 3.4.0
  */
 public enum Protocol {
 
-
-
-    CAS1("ticket", "service"), CAS2(CAS1.getArtifactParameterName(), CAS1.getServiceParameterName()), SAML11("SAMLart", "TARGET");
+    CAS1("ticket", "service"), CAS2(CAS1), SAML11("SAMLart", "TARGET");
 
     private final String artifactParameterName;
 
@@ -18,6 +19,10 @@ public enum Protocol {
         this.serviceParameterName = serviceParameterName;
     }
 
+    private Protocol(final Protocol protocol) {
+        this(protocol.getArtifactParameterName(), protocol.getServiceParameterName());
+    }
+
     public String getArtifactParameterName() {
         return this.artifactParameterName;
     }