diff --git a/core/src/main/java/hudson/model/RunParameterValue.java b/core/src/main/java/hudson/model/RunParameterValue.java
index 429535de8e9e37db911fe8f8e7dc204d4e62aba5..1b71c189bdb16e44c0abe13a8aaeb02b81fd8dd0 100644
--- a/core/src/main/java/hudson/model/RunParameterValue.java
+++ b/core/src/main/java/hudson/model/RunParameterValue.java
@@ -69,7 +69,9 @@ public class RunParameterValue extends ParameterValue {
      */
     @Override
     public void buildEnvVars(AbstractBuild<?,?> build, EnvVars env) {
-        String value = Jenkins.getInstance().getRootUrl() + getRun().getUrl();
+        Run run = getRun();
+        
+        String value = Jenkins.getInstance().getRootUrl() + run.getUrl();
         env.put(name, value);
 
         env.put(name + ".jobName", getJobName());   // undocumented, left for backward compatibility
@@ -77,6 +79,8 @@ public class RunParameterValue extends ParameterValue {
 
         env.put(name + ".number" , getNumber ());   // same as above
         env.put(name + "_NUMBER" , getNumber ());
+        
+        env.put(name + "_NAME",  run.getDisplayName());  // since 1.504
 
         env.put(name.toUpperCase(Locale.ENGLISH),value); // backward compatibility pre 1.345
 
diff --git a/war/src/main/webapp/help/parameter/run-project.html b/war/src/main/webapp/help/parameter/run-project.html
index a7456ecbf8d1ba3148e9d28fc3791b1532e6390e..36ab4605474f08ff24f315462cddb27e7352f5d3 100755
--- a/war/src/main/webapp/help/parameter/run-project.html
+++ b/war/src/main/webapp/help/parameter/run-project.html
@@ -5,5 +5,6 @@
 PARAMETER_NAME=<i>&lt;jenkins_url&gt;</i>/job/<i>&lt;job_name&gt;/&lt;run_number&gt;</i>/
 PARAMETER_NAME_JOBNAME=<i>&lt;job_name&gt;</i>
 PARAMETER_NAME_NUMBER=<i>&lt;run_number&gt;</i>
+PARAMETER_NAME_NAME=<i>&lt;display_name&gt;</i>
 </pre>
 </div>
\ No newline at end of file