diff --git a/Lib/decimal.py b/Lib/decimal.py
index 8d82cb9..e3af3f0 100644
--- a/Lib/decimal.py
+++ b/Lib/decimal.py
@@ -5592,7 +5592,7 @@
     # if format type is 'g' or 'G' then a precision of 0 makes little
     # sense; convert it to 1.  Same if format type is unspecified.
     if format_dict['precision'] == 0:
-        if format_dict['type'] in 'gG' or format_dict['type'] is None:
+        if format_dict['type'] is None or format_dict['type'] in 'gG':
             format_dict['precision'] = 1
 
     # determine thousands separator, grouping, and decimal separator, and