diff --git a/Lib/_pydecimal.py b/Lib/_pydecimal.py
index f83524a25604da..4c15889ce5a1c4 100644
--- a/Lib/_pydecimal.py
+++ b/Lib/_pydecimal.py
@@ -1783,9 +1783,10 @@ def __round__(self, n=None):
         Decimal('123.46')
         >>> round(Decimal('123.456'), -2)
         Decimal('1E+2')
-        >>> round(Decimal('-Infinity'), 37)
+        >>> with localcontext(ExtendedContext):
+        ...     round(Decimal('-Infinity'), 37)
+        ...     round(Decimal('sNaN123'), 0)
         Decimal('NaN')
-        >>> round(Decimal('sNaN123'), 0)
         Decimal('NaN123')
 
         """