diff --git a/app/assets/javascripts/samples/sample_datatable.js b/app/assets/javascripts/samples/sample_datatable.js
index 8e0b1d497..5a00a6347 100644
--- a/app/assets/javascripts/samples/sample_datatable.js
+++ b/app/assets/javascripts/samples/sample_datatable.js
@@ -138,6 +138,9 @@ function dataTableInit() {
         table.column(i).visible(visibility);
       }
       oSettings._colReorder.fnOrder(myData.ColReorder);
+      table.on('mousedown', function() {
+        $('#samples-columns-dropdown').removeClass('open');
+      });
     }
   });