diff --git a/04 CallGoFunctionFromTIscript/main-update.html b/04 CallGoFunctionFromTIscript/main-update.html
index 2e6ffac..b24445a 100644
--- a/04 CallGoFunctionFromTIscript/main-update.html	
+++ b/04 CallGoFunctionFromTIscript/main-update.html	
@@ -43,8 +43,8 @@ <h1>Simple Input</h1>
 
        <script type="text/tiscript">
            event click $(#btn1){
-             self#sum.text = view.Sum(self#n1.text, self#n2.text) 
+             self#sum.text = view.Sum(self#n1.value, self#n2.value) 
            }
        </script>
     </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/04 CallGoFunctionFromTIscript/main.go b/04 CallGoFunctionFromTIscript/main.go
index 57d8ebd..a66aac5 100644
--- a/04 CallGoFunctionFromTIscript/main.go	
+++ b/04 CallGoFunctionFromTIscript/main.go	
@@ -17,7 +17,7 @@ func main() {
 		color.RedString("Failed to generate sciter window ", windowsGenerateionError.Error())
 	}
 
-	uiLoadingError := window.LoadFile("./main.html")
+	uiLoadingError := window.LoadFile("./main-update.html")
 	if uiLoadingError != nil {
 		color.RedString("Failed to load ui file ", uiLoadingError.Error())
 	}