diff --git a/_pytest/doctest.py b/_pytest/doctest.py
index 88174cc72..cc505c8d0 100644
--- a/_pytest/doctest.py
+++ b/_pytest/doctest.py
@@ -140,7 +140,7 @@ class DoctestItem(pytest.Item):
             return super(DoctestItem, self).repr_failure(excinfo)
 
     def reportinfo(self):
-        return self.fspath, None, "[doctest] %s" % self.name
+        return self.fspath, self.dtest.lineno, "[doctest] %s" % self.name
 
 
 def _get_flag_lookup():