diff --git a/src/css/partials/_navigation.scss b/src/css/partials/_navigation.scss
index 4ea3b4a..5286561 100644
--- a/src/css/partials/_navigation.scss
+++ b/src/css/partials/_navigation.scss
@@ -325,7 +325,7 @@
         position:fixed;
         left:0;
         top:60px;
-        height:calc(100vh-60px);
+        height:calc(100vh - 60px);
     }
 }