diff --git a/knowledge-base/inputs-disable-copy-paste.md b/knowledge-base/inputs-disable-copy-paste.md
index fb1cd135dc..6c1ab0a8a9 100644
--- a/knowledge-base/inputs-disable-copy-paste.md
+++ b/knowledge-base/inputs-disable-copy-paste.md
@@ -61,8 +61,8 @@ To disable the copy and paste functionality in a TextBox and other Telerik Blazo
         var input = document.querySelector(".no-copy-paste input");
 
         if (input) {
-            input.oncopy = e => e.preventDefault();
-            input.onpaste = e => e.preventDefault();
+            input.addEventListener("copy", e => e.preventDefault());
+            input.addEventListener("paste", e => e.preventDefault());
         }
     }
 </script>