Index: main/core/src/main/java/hudson/model/Job.java
===================================================================
--- main/core/src/main/java/hudson/model/Job.java	(revision 9587)
+++ main/core/src/main/java/hudson/model/Job.java	(working copy)
@@ -610,6 +610,17 @@
             r=r.getPreviousBuild();
         return r;
     }
+    
+    /**
+     * Returns the last completed build, if any. Otherwise null.
+     */
+    @Exported @QuickSilver
+    public RunT getLastCompletedBuild() {
+       RunT r = getLastBuild();
+       while(r!=null && r.isBuilding())
+           r=r.getPreviousBuild();
+       return r;
+    }
 
     /**
      * Used as the color of the status ball for the project.
Index: main/core/src/main/resources/hudson/model/View/cc.xml.jelly
===================================================================
--- main/core/src/main/resources/hudson/model/View/cc.xml.jelly	(revision 9587)
+++ main/core/src/main/resources/hudson/model/View/cc.xml.jelly	(working copy)
@@ -8,7 +8,7 @@
 
   <Projects>
     <j:forEach var="p" items="${it.items}">
-      <j:set var="lb" value="${p.lastBuild}"/>
+      <j:set var="lb" value="${p.lastCompletedBuild}"/>
       <j:if test="${lb!=null}">
         <Project  name="${p.displayName}"
                   activity="${h.ifThenElse(p.isBuilding(),'Building','Sleeping')}"