diff --git a/resources/app/stylesheets/app.less b/resources/app/stylesheets/app.less
index 57d8f16..faaf5f2 100644
--- a/resources/app/stylesheets/app.less
+++ b/resources/app/stylesheets/app.less
@@ -266,12 +266,12 @@ table {
         }
 
         th[data-sort=desc]::after {
-            content: "🠻";
+            content: "⇩";
             display: inline;
         }
 
         th[data-sort=asc]::after {
-            content: "🠹";
+            content: "⇧";
             display: inline;
         }
     }