diff --git a/koha-tmpl/intranet-tmpl/prog/en/includes/datatables.inc b/koha-tmpl/intranet-tmpl/prog/en/includes/datatables.inc
index 55e04f44f0..749bde28ee 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/includes/datatables.inc
+++ b/koha-tmpl/intranet-tmpl/prog/en/includes/datatables.inc
@@ -28,5 +28,8 @@
     var MSG_DT_COPY_KEYS = _("Press ctrl or ⌘ + C to copy the table data<br>to your system clipboard.<br><br>To cancel, click this message or press escape.");
     var MSG_DT_COPY_SUCCESS_ONE = _("Copied one row to clipboard");
     var MSG_DT_COPY_SUCCESS_X = _("Copied %d rows to clipboard");
+    var MSG_CLEAR_FILTER = _("Clear filter");
+    var MSG_ACTIVATE_FILTERS = _("Activate filters");
+    var MSG_DEACTIVATE_FILTERS = _("Deactivate filters");
 </script>
 [% Asset.js("js/datatables.js") | $raw %]
diff --git a/koha-tmpl/intranet-tmpl/prog/js/table_filters.js b/koha-tmpl/intranet-tmpl/prog/js/table_filters.js
index 6607120d35..d7c4dc8988 100644
--- a/koha-tmpl/intranet-tmpl/prog/js/table_filters.js
+++ b/koha-tmpl/intranet-tmpl/prog/js/table_filters.js
@@ -23,7 +23,7 @@ function activate_filters(id) {
     }
 
     $('#' + id + '_activate_filters')
-        .html('<i class="fa fa-filter"></i> ' + _("Deactivate filters") )
+        .html('<i class="fa fa-filter"></i> ' + MSG_DEACTIVATE_FILTERS )
         .unbind('click')
         .click(function() {
             deactivate_filters(id);
@@ -41,7 +41,7 @@ function deactivate_filters(id) {
     filters_row.hide();
 
     $('#' + id + '_activate_filters')
-        .html('<i class="fa fa-filter"></i> ' + _("Activate filters") )
+        .html('<i class="fa fa-filter"></i> ' + MSG_ACTIVATE_FILTERS )
         .unbind('click')
         .click(function() {
             activate_filters(id);