diff --git a/app/pods/protected/strains/show/measurements-table/template.hbs b/app/pods/protected/strains/show/measurements-table/template.hbs
index 3f3c469..a9a45dd 100644
--- a/app/pods/protected/strains/show/measurements-table/template.hbs
+++ b/app/pods/protected/strains/show/measurements-table/template.hbs
@@ -29,10 +29,10 @@
   </colgroup>
   <thead>
     <tr>
-      <th {{action "changeSortParam" "characteristic.characteristicTypeName"}}>Type</th>
-      <th {{action "changeSortParam" "characteristic.characteristicName"}}>Characteristic</th>
-      <th {{action "changeSortParam" "value"}}>Value</th>
-      <th {{action "changeSortParam" "notes"}}>Notes</th>
+      <th {{action "changeSortParam" "characteristic.characteristicTypeName"}} class="click">Type</th>
+      <th {{action "changeSortParam" "characteristic.characteristicName"}} class="click">Characteristic</th>
+      <th {{action "changeSortParam" "value"}} class="click">Value</th>
+      <th {{action "changeSortParam" "notes"}} class="click">Notes</th>
       {{#if canEdit}}
       <th>Edit</th>
       {{/if}}