diff --git a/searx/static/css/definitions.less b/searx/static/css/definitions.less
index a7d8923..013d24f 100644
--- a/searx/static/css/definitions.less
+++ b/searx/static/css/definitions.less
@@ -36,7 +36,7 @@
 /// Categories
 
 @color-categories-item-selected: @color-base;
-@font-color-categories-item-selected: #FFF;
+@color-categories-item-selected-font: #FFF;
 
 @color-categories-item-border-selected: @color-base-dark;
 @color-categories-item-border-unselected: #E8E7E6;
diff --git a/searx/static/css/style.less b/searx/static/css/style.less
index c345873..1aa4bdf 100644
--- a/searx/static/css/style.less
+++ b/searx/static/css/style.less
@@ -142,7 +142,7 @@ fieldset {
 
 .checkbox_container input[type="checkbox"]:checked + label {
 	background: @color-categories-item-selected;
-	color: @font-color-categories-item-selected;
+	color: @color-categories-item-selected-font;
 }
 
 .search  {