diff --git a/build.xml b/build.xml
index 903756ed..87acfe27 100644
--- a/build.xml
+++ b/build.xml
@@ -47,7 +47,7 @@
   <!-- makes sure our tools are compiled and defines the ant tasks -->
   <target name="preptools" depends="prepare">
     <taskdef resource="com/threerings/presents/tools.properties"
-             classpath="${libs.dir}/narya-tool-sfull.jar"/>
+             classpath="${libs.dir}/narya-tools-full.jar"/>
   </target>
 
   <!-- cleans out the intermediate build files -->