diff --git a/core/package.json b/core/package.json
index b1b4decf464..04d9c6ce55d 100644
--- a/core/package.json
+++ b/core/package.json
@@ -77,7 +77,7 @@
     "build.docs.json": "stencil build --docs-json dist/docs.json",
     "clean": "node scripts/clean.js",
     "css.minify": "cleancss -O2 -o ./css/ionic.bundle.css ./css/ionic.bundle.css",
-    "css.sass": "sass --embed-sources src/css:./css",
+    "css.sass": "sass --embed-sources --style compressed src/css:./css",
     "eslint": "eslint src",
     "lint": "npm run lint.ts && npm run lint.sass && npm run prettier -- --write --cache",
     "lint.fix": "npm run lint.ts.fix && npm run lint.sass.fix && npm run prettier -- --write --cache",