diff --git a/build.xml b/build.xml
index 9f0bc049aff..6e37691c1c4 100644
--- a/build.xml
+++ b/build.xml
@@ -637,7 +637,7 @@
             </src>
             <compilerarg value="-Xlint:all"/>
             <classpath>
-                <file file="${kotlin-home}/lib/${compiler.manifest.class.path}"/>
+                <file file="${bootstrap.runtime}"/>
                 <pathelement location="${dependencies.dir}/ant-1.7/lib/ant.jar"/>
                 <pathelement location="${kotlin-home}/lib/kotlin-preloader.jar"/>
             </classpath>