diff --git a/com.ibm.wala.core.testdata/build.xml b/com.ibm.wala.core.testdata/build.xml
index 3a7fb2231..b1d197f5e 100644
--- a/com.ibm.wala.core.testdata/build.xml
+++ b/com.ibm.wala.core.testdata/build.xml
@@ -14,7 +14,10 @@
 	<property name="compilerArg" value=""/>
 	<property name="javacSource" value="1.5"/>
 	<property name="javacTarget" value="1.5"/>
-    <condition property="dir_bootclasspath" value="${java.home}/../../../Classes">
+	<!-- This property has been updated to correspond to the paths used by the latest Java update
+	on Mac OS X 10.6 (Java version 1.6.0_22).  If you are not using this version of Mac OS X or Java,
+	try changing the value of the property to "${java.home}/../../../Classes" -->
+    <condition property="dir_bootclasspath" value="${java.home}/../Classes">
             <os family="mac"/>
     </condition>
     <property name="dir_bootclasspath" value="${java.home}/lib"/>