diff --git a/build.bat b/build.bat
index ef064e27a..8f6f856ed 100755
--- a/build.bat
+++ b/build.bat
@@ -3,10 +3,12 @@
 set REALANTHOME=%ANT_HOME%
 set ANT_HOME=.
 if not exist lib\ant.jar call bootstrap.bat
+if not exist bin\ant.bat call bootstrap.bat
+if not exist bin\lcp.bat call bootstrap.bat
 
 set ANT_INSTALL=
 if not "%REALANTHOME%" == "" set ANT_INSTALL=-Dant.install %REALANTHOME%
-call .\bin\ant %ANT_INSTALL% %1 %2 %3 %4 %5 %6 %7 %8 %9
+call .\bin\ant.bat %ANT_INSTALL% %1 %2 %3 %4 %5 %6 %7 %8 %9
 
 rem clean up
 set ANT_HOME=%REALANTHOME%