diff --git a/src/lynq/lib/liblynq-wifi6/libwifi6.c b/src/lynq/lib/liblynq-wifi6/libwifi6.c
index b4a0d2c..18c7fe5 100755
--- a/src/lynq/lib/liblynq-wifi6/libwifi6.c
+++ b/src/lynq/lib/liblynq-wifi6/libwifi6.c
@@ -1004,7 +1004,7 @@
         }
         case LYNQ_WIFI_BANDWIDTH_HT40:
 		{
-            char lynq_cmd_bandwith[MAX_CMD]="wl chanspec 153u";
+            char lynq_cmd_bandwith[MAX_CMD]="wl chanspec 149/40";
             sprintf(lynq_cmd_bandwith, "wl chanspec ");
             system("wl down");
             if (system(lynq_cmd_bandwith) != 0 ){
@@ -1015,7 +1015,7 @@
 		}
         case LYNQ_WIFI_BANDWIDTH_HT80:
 		{
-            char lynq_cmd_bandwith[MAX_CMD]="wl chanspec 36/80";
+            char lynq_cmd_bandwith[MAX_CMD]="wl chanspec 149/80";
             system("wl down");
             if (system(lynq_cmd_bandwith) != 0 ){
                 return -1;