diff --git a/build.bat b/build.bat
index 4025d28dc..9e92a6985 100755
--- a/build.bat
+++ b/build.bat
@@ -13,7 +13,7 @@ echo Bootstrap FAILED
 goto cleanup
 
 :runAnt
-set LOCALCLASSPATH=
+set LOCALCLASSPATH=lib/xercesImpl.jar;lib/xml-apis.jar
 for %%i in (lib\optional\*.jar) do call bootstrap\bin\lcp.bat %%i
 set CLASSPATH=lib\optional\xalanj1compat.jar;%LOCALCLASSPATH%;%CLASSPATH%
 set LOCALCLASSPATH=
diff --git a/build.sh b/build.sh
index 2c6ea1016..6f04697ac 100755
--- a/build.sh
+++ b/build.sh
@@ -28,7 +28,7 @@ if test ! -f bootstrap/lib/ant.jar -o  ! -x bootstrap/bin/ant -o ! -x bootstrap/
   exit
 fi
 
-LOCALCLASSPATH=
+LOCALCLASSPATH=lib/xercesImpl.jar:lib/xml-apis.jar
 # add in the dependency .jar files
 DIRLIBS=lib/optional/*.jar
 for i in ${DIRLIBS}