diff --git a/assets/sass/elements/_html.scss b/assets/sass/elements/_html.scss
index 6d4f3960..79748980 100644
--- a/assets/sass/elements/_html.scss
+++ b/assets/sass/elements/_html.scss
@@ -2,7 +2,7 @@ html {
   font-family: $body-font-family;
   font-style: normal;
   font-weight: 300;
-  font-size: calc((1vmin * 0.85) + 13px);
+  font-size: calc(0.85vmin + 13px);
   line-height: 1.4;
   padding-left: $pad-min;
   padding-right: $pad-min;