diff --git a/.jsbeautifyrc.defaults.json b/.jsbeautifyrc.defaults.json
index f5374c59..aa190d83 100644
--- a/.jsbeautifyrc.defaults.json
+++ b/.jsbeautifyrc.defaults.json
@@ -158,7 +158,7 @@
         // For the following entries, keys are globs and values are objects which
         // can contain any kind of .jsbeautifyrc setting.
 
-        "(package|yarn)(-lock).json":
+        "@(package?(-lock)|yarn-lock).json":
         {
             "indent_size": 2,
             "brace_style": "collapse"
@@ -170,4 +170,4 @@
             "brace_style": "expand"
         }
     }
-}
\ No newline at end of file
+}