diff --git a/python/build/release.xml b/python/build/release.xml
index cc51f9499e10..2a3879bb8b1c 100644
--- a/python/build/release.xml
+++ b/python/build/release.xml
@@ -18,7 +18,7 @@
   </target>
 
   <taskdef name="javac2" classname="com.intellij.ant.Javac2">
-    
+    <classpath path="${basedir}/javac2.jar"/>
   </taskdef>
 
   <fileset id="idea.libraries" dir="${idea.dir}/jdk15/lib">