diff --git a/router/java/build.xml b/router/java/build.xml
index 6b49c9530..db2723060 100644
--- a/router/java/build.xml
+++ b/router/java/build.xml
@@ -34,7 +34,7 @@
         <mkdir dir="./build/obj" />
         <javac srcdir="./src" debug="true" source="1.5" target="1.5" deprecation="on"
                includeAntRuntime="false"
-               destdir="./build/obj" classpath="../../core/java/build/i2p.jar" >
+               destdir="./build/obj" classpath="../../core/java/build/obj:../../core/java/build/i2p.jar" >
             <compilerarg line="${javac.compilerargs}" />
         </javac>
     </target>