diff --git a/types/bootstrap-slider/bootstrap-slider-tests.ts b/types/bootstrap-slider/bootstrap-slider-tests.ts
index 9b2a1a2014..d3ffdeedeb 100644
--- a/types/bootstrap-slider/bootstrap-slider-tests.ts
+++ b/types/bootstrap-slider/bootstrap-slider-tests.ts
@@ -42,7 +42,7 @@ $(() => {
 
     $('#ex7').slider();
 
-    $('#ex7-enabled').click(function(this: HTMLInputElement) {
+    $<HTMLInputElement>('#ex7-enabled').click(function() {
         if (this.checked) {
             // With JQuery
             $('#ex7').slider('enable');