diff --git a/jdb-build-1.1.xml b/jdb-build-1.1.xml
index 70db04f..688ca62 100644
--- a/jdb-build-1.1.xml
+++ b/jdb-build-1.1.xml
@@ -36,7 +36,7 @@
     </target>
 
     <target name="-init-groovy">
-        <taskef name="groovyc" classpathref="groovy.classpath"
+        <taskdef name="groovyc" classpathref="groovy.classpath"
             classname="org.codehaus.groovy.ant.Groovyc"/>
     </target>