diff --git a/test/java/build.xml b/test/java/build.xml
index 52b0033..9d7fb06 100644
--- a/test/java/build.xml
+++ b/test/java/build.xml
@@ -14,7 +14,7 @@
 
   <target name="generate">
     <exec executable="../../compiler/cpp/thrift">
-      <arg line="--java ../ThriftTest.thrift" />
+      <arg line="--gen java ../ThriftTest.thrift" />
     </exec>
   </target>