diff --git a/build.xml b/build.xml
index 1496e46461a..b3684e3865d 100644
--- a/build.xml
+++ b/build.xml
@@ -235,7 +235,8 @@
 
         <available property="rtjar" value="${java.home}/lib/rt.jar" file="${java.home}/lib/rt.jar" />
         <available property="rtjar" value="${java.home}/lib/classes.jar" file="${java.home}/lib/classes.jar" />
-
+        <available property="rtjar" value="${java.home}/../Classes/classes.jar" file="${java.home}/../Classes/classes.jar" />
+        
         <delete file="${output}/kotlin-compiler.jar" failonerror="false"/>
         <proguard><![CDATA[
             -injars '${output}/kotlin-compiler-clean.jar'