diff --git a/app/styles/basics.scss b/app/styles/basics.scss
index e8d9ef274..964862aec 100644
--- a/app/styles/basics.scss
+++ b/app/styles/basics.scss
@@ -155,7 +155,7 @@ body {
 }
 
 ::selection {
-  background: var(--highlight-text-color);
+  background-color: var(--highlight-text-color);
   color: #fff;
 }