diff --git a/buildbot/master.cfg b/buildbot/master.cfg
index b3c7f73a..381d081f 100644
--- a/buildbot/master.cfg
+++ b/buildbot/master.cfg
@@ -157,7 +157,7 @@ c['builders'] = [
 
         BuilderConfig(name="build-win32-py32",
                       slavenames=["win7-py27"],
-                      factory=makeFactory('win32'), pyVer='3.2'),
+                      factory=makeFactory('win32', pyVer='3.2')),
 
 
         BuilderConfig(name="build-gtk-py27",