diff --git a/benchmark/benchmark.less b/benchmark/benchmark.less
index 4130d2a..95a1f95 100644
--- a/benchmark/benchmark.less
+++ b/benchmark/benchmark.less
@@ -1,5 +1,5 @@
 @import "lib";
-@bg: 12px;
+@bg: #f01;
 @white: #fff;
 @grey: #eee;
 @black: #000;