diff --git a/stubs/defaultConfig.stub.js b/stubs/defaultConfig.stub.js
index e06a52f8d..fbf73fcf7 100644
--- a/stubs/defaultConfig.stub.js
+++ b/stubs/defaultConfig.stub.js
@@ -204,8 +204,8 @@ module.exports = {
       loose: 2,
     },
     letterSpacing: {
-      tighter: '-.05em',
-      tight: '-.025em',
+      tighter: '-0.05em',
+      tight: '-0.025em',
       normal: '0',
       wide: '0.025em',
       wider: '0.05em',