diff --git a/stubs/defaultConfig.stub.js b/stubs/defaultConfig.stub.js
index cff789cb843f..e47abb273973 100644
--- a/stubs/defaultConfig.stub.js
+++ b/stubs/defaultConfig.stub.js
@@ -594,6 +594,7 @@ module.exports = {
       normal: '1.5',
       relaxed: '1.625',
       loose: '2',
+      0: '0rem',
       3: '.75rem',
       4: '1rem',
       5: '1.25rem',