diff --git a/cli.js b/cli.js
index c9d91c7..b90d05e 100755
--- a/cli.js
+++ b/cli.js
@@ -82,7 +82,7 @@ const cli = yargs(process.argv.slice(2))
   });
 
 // TODO: checks for any .css arg, instead of parsing --css
-const css = process.argv.find(arg => /\.css$/.test(arg)) || "gmi-web.css"
+const css = process.argv.find((arg) => /\.css$/.test(arg)) || "gmi-web.css";
 const CSS_VARS = CSS.rootVariables(CSS.load({ css }));
 Object.keys(CSS_VARS).forEach((key) => {
   const opt = key.replace("--", "");
diff --git a/css.js b/css.js
index 0b8beca..8046951 100644
--- a/css.js
+++ b/css.js
@@ -92,7 +92,7 @@ function reduceVariables(rules, options) {
                   .key || key;
               return Object.assign(declaration, {
                 value: key
-                  ? options[key] || defaultVariables[key]
+                  ? options[key.replace("--", "")] || defaultVariables[key]
                   : declaration.value,
               });
             }),