diff --git a/src/definitions/modules/dropdown.js b/src/definitions/modules/dropdown.js
index feec55994..bf351aeb0 100644
--- a/src/definitions/modules/dropdown.js
+++ b/src/definitions/modules/dropdown.js
@@ -1723,6 +1723,9 @@ $.fn.dropdown = function(parameters) {
                 .val('')
                 .attr('tabindex', 0)
               ;
+              $menu
+                .attr('tabindex', -1)
+              ;
             }
             else {
               module.debug('Added tabindex to dropdown');
@@ -1730,6 +1733,9 @@ $.fn.dropdown = function(parameters) {
                 $module
                   .attr('tabindex', 0)
                 ;
+                $menu
+                  .attr('tabindex', -1)
+                ;
               }
             }
           },