diff --git a/toastr/toastr-tests.ts b/toastr/toastr-tests.ts
index 9a5ae6a19..adacb1934 100644
--- a/toastr/toastr-tests.ts
+++ b/toastr/toastr-tests.ts
@@ -48,7 +48,8 @@ function test_fromdemo() {
 			debug: $('#debugInfo').prop('checked'),
 			tapToDismiss: $('#tapToDismiss').prop('checked'),
 			positionClass: $('#positionGroup input:radio:checked').val() || 'toast-top-right',
-			preventDuplicates: true
+			preventDuplicates: true,
+            progressBar: true
 		}
         if ($fadeIn.val().length) {
 			toastr.options.showDuration = +$fadeIn.val()
diff --git a/toastr/toastr.d.ts b/toastr/toastr.d.ts
index 8745a6157..2fcdc3840 100644
--- a/toastr/toastr.d.ts
+++ b/toastr/toastr.d.ts
@@ -119,6 +119,11 @@ interface ToastrOptions {
      */
     preventDuplicates?: boolean;
 
+    /**
+     * Visually indicates how long before a toast expires.
+     */
+    progressBar?: boolean;
+    
 	/**
 	* Function to execute on toast click
 	*/