diff --git a/python/build/python_plugin_build.gant b/python/build/python_plugin_build.gant
index 0c2cc03a6c19..173371ab5ea7 100644
--- a/python/build/python_plugin_build.gant
+++ b/python/build/python_plugin_build.gant
@@ -188,7 +188,7 @@ target(name: "zip", description: "Generate zip plugin file") {
 
   ant.mkdir(dir: "${plugindir}/help")
   ant.copy(file: "${pluginHelp}/pytonpluginhelp.jar", tofile: "${plugindir}/help/pythonpluginhelp.jar")
-  ant.copy(file: "${pluginHelp}/pytonpluginhelp_mac.jar", tofile: "${plugindir}/help/pytonpluginhelp_mac.jar")
+  ant.copy(file: "${pluginHelp}/pytonpluginhelp_mac.jar", tofile: "${plugindir}/help/pythonpluginhelp_mac.jar")
 
   ant.move(file: "${debugEgg}", todir: "${plugindir}")