diff --git a/master.cfg b/master.cfg
index df20e2e..68ccce2 100644
--- a/master.cfg
+++ b/master.cfg
@@ -576,7 +576,7 @@ class CleanupBreakageLockfile (ShellCommand):
 def scheduler_is_racy (step):
     return step.getProperty ('scheduler') == 'racy'
 
-def scheduler_is_not_racy (step):
+def scheduler_is_not_racy (result, step):
     return step.getProperty ('scheduler') != 'racy'
 
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