diff --git a/Lib/doctest.py b/Lib/doctest.py
index 587753e5f66..5d371d29ccd 100644
--- a/Lib/doctest.py
+++ b/Lib/doctest.py
@@ -2001,7 +2001,7 @@ class Tester:
         import new
         m = new.module(name)
         m.__test__ = d
-        return self.rundoc(m, name, module)
+        return self.rundoc(m, name)
 
     def summarize(self, verbose=None):
         return self.testrunner.summarize(verbose)