diff --git a/Microsoft/Wordiness.yml b/Microsoft/Wordiness.yml
index 22a4c93..9facc10 100644
--- a/Microsoft/Wordiness.yml
+++ b/Microsoft/Wordiness.yml
@@ -15,7 +15,7 @@ swap:
   all across: across
   all of a sudden: suddenly
   all of these: these
-  all of: all
+  all of (?!a sudden|these): all
   all-time record: record
   almost all: most
   almost never: seldom