diff --git a/bindings/java/build.xml b/bindings/java/build.xml
index eb1dcaa1..d2ccbf7b 100644
--- a/bindings/java/build.xml
+++ b/bindings/java/build.xml
@@ -144,7 +144,11 @@
     <mkdir dir="${build}/src"/>
 
     <exec executable="${perl}" dir=".">
-      <arg value="src/jni/generate.pl"/>
+      <arg value="-Mlib=.."/>
+      <arg value="-MSigarWrapper"/>
+      <arg value="-e"/>
+      <arg value="generate"/>
+      <arg value="Java"/>
       <arg value="${build}/src"/>
     </exec>