diff --git a/pom.xml b/pom.xml
index a72343b..0afc5ac 100644
--- a/pom.xml
+++ b/pom.xml
@@ -38,6 +38,11 @@
           <artifactId>cvsclient</artifactId>
           <version>71-jenkins-11</version>
       </dependency>
+      <dependency>
+          <groupId>org.jenkins-ci.plugins</groupId>
+          <artifactId>structs</artifactId>
+          <version>1.1</version>
+      </dependency>
       <dependency>
         <groupId>org.jenkins-ci.main</groupId>
         <artifactId>jenkins-test-harness</artifactId>
diff --git a/src/main/java/hudson/scm/CVSSCM.java b/src/main/java/hudson/scm/CVSSCM.java
index 68c5c01..cc0da8f 100644
--- a/src/main/java/hudson/scm/CVSSCM.java
+++ b/src/main/java/hudson/scm/CVSSCM.java
@@ -35,6 +35,7 @@
 import jenkins.scm.cvs.QuietPeriodCompleted;
 import net.sf.json.JSONObject;
 
+import org.jenkinsci.Symbol;
 import org.kohsuke.stapler.DataBoundConstructor;
 import org.kohsuke.stapler.QueryParameter;
 import org.kohsuke.stapler.StaplerRequest;
@@ -402,6 +403,7 @@ public DescriptorImpl getDescriptor() {
     }
 
     @Extension
+    @Symbol("cvs")
     public static class DescriptorImpl extends AbstractCvsDescriptor<CVSSCM> implements ModelObject {
 
         // start legacy fields