diff --git a/src/definitions/modules/dropdown.js b/src/definitions/modules/dropdown.js
index a37438001c..efecda13ad 100644
--- a/src/definitions/modules/dropdown.js
+++ b/src/definitions/modules/dropdown.js
@@ -3216,7 +3216,9 @@ $.fn.dropdown = function(parameters) {
             ;
             calculations = {
               context: {
-                offset    : $context.offset(),
+                offset    : ($context.get(0) === window)
+                  ? { top: 0, left: 0}
+                  : $context.offset(),
                 scrollTop : $context.scrollTop(),
                 height    : $context.outerHeight()
               },
@@ -3259,7 +3261,9 @@ $.fn.dropdown = function(parameters) {
             ;
             calculations = {
               context: {
-                offset     : $context.offset(),
+                offset     : ($context.get(0) === window)
+                  ? { top: 0, left: 0}
+                  : $context.offset(),
                 scrollLeft : $context.scrollLeft(),
                 width      : $context.outerWidth()
               },