diff --git a/.rubocop.yml b/.rubocop.yml
index bee896e6..2aca1299 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -166,7 +166,7 @@ Style/PercentLiteralDelimiters:
   PreferredDelimiters:
     "%q": "{}"
     "%Q": "{}"
-    "%r": "{}"
+    "%r": "!!"
     "%s": "()"
     "%w": "()"
     "%W": "()"