diff --git a/master.cfg b/master.cfg
index ad005ab..b78e83a 100644
--- a/master.cfg
+++ b/master.cfg
@@ -345,7 +345,7 @@ class BuildAndTestGDBFactory (factory.BuildFactory):
     def __init__ (self, architecture_triplet = []):
         factory.BuildFactory.__init__ (self)
         self.addStep (RemoveDirectory (dir = WithProperties ("%s/build",
-                                                             'builddir'))
+                                                             'builddir')))
 #        self.addStep (DeleteGDBBuildDir ())
         # Unfortunately we need to have this random wait, otherwise
         # git fetch won't work