diff --git a/source/Styles/xb6/jst/wireless_network_configuration_onewifi.jst b/source/Styles/xb6/jst/wireless_network_configuration_onewifi.jst
index 0c51e04..70a1fd5 100644
--- a/source/Styles/xb6/jst/wireless_network_configuration_onewifi.jst
+++ b/source/Styles/xb6/jst/wireless_network_configuration_onewifi.jst
@@ -808,6 +808,13 @@ $(document).ready(function() {
 			$("#operation_mode1").prop("disabled", true);
 		}
 	}).trigger("change");
+    $("#wireless_mode3").change(function() {
+            if ("ax"==$("#wireless_mode3").val()) {
+                    $("#channel_bandwidth7").prop("disabled", true);
+            } else if("ax,be"==$("#wireless_mode3").val() || "be"==$("#wireless_mode3").val()) {
+                    $("#channel_bandwidth7").prop("disabled", false);
+            }
+    }).trigger("change");
     $("#channel_number").change(function() {
 		show_extch(document.getElementById("channel_number").value);
 	}).trigger("change");