diff --git a/hadoop-mapreduce-project/CHANGES.txt b/hadoop-mapreduce-project/CHANGES.txt
index b01dacf3d16..f02d3d33235 100644
--- a/hadoop-mapreduce-project/CHANGES.txt
+++ b/hadoop-mapreduce-project/CHANGES.txt
@@ -461,6 +461,7 @@ Release 0.23.1 - Unreleased
     MAPREDUCE-3380. Token infrastructure for running clients which are not kerberos 
     authenticated. (mahadev)
 
+    MAPREDUCE-3648. TestJobConf failing. (Thomas Graves via mahadev)
 Release 0.23.0 - 2011-11-01 
 
   INCOMPATIBLE CHANGES
diff --git a/hadoop-mapreduce-project/src/test/mapred/org/apache/hadoop/mapred/TestJobConf.java b/hadoop-mapreduce-project/src/test/mapred/org/apache/hadoop/mapred/TestJobConf.java
index 8fca0713674..79f1e433737 100644
--- a/hadoop-mapreduce-project/src/test/mapred/org/apache/hadoop/mapred/TestJobConf.java
+++ b/hadoop-mapreduce-project/src/test/mapred/org/apache/hadoop/mapred/TestJobConf.java
@@ -33,7 +33,7 @@
 public class TestJobConf {
   private static final String JAR_RELATIVE_PATH =
     "build/test/mapred/testjar/testjob.jar";
-  private static final String CLASSNAME = "ClassWithNoPackage";
+  private static final String CLASSNAME = "testjar.ClassWordCount";
 
   private static String TEST_DIR_WITH_SPECIAL_CHARS =
     System.getProperty("test.build.data","/tmp") +
@@ -81,4 +81,4 @@ private void testJarAtPath(String path) throws Exception {
     String containingJar = JobConf.findContainingJar(clazz);
     assertEquals(jar.getAbsolutePath(), containingJar);
   }
-}
\ No newline at end of file
+}