diff --git a/lnxrouter b/lnxrouter
index 3a3663f..e17e31f 100755
--- a/lnxrouter
+++ b/lnxrouter
@@ -1700,7 +1700,7 @@ prepare_wifi_interface() {
     
         # TODO move this to check_wifi_settings() ?
         if is_interface_wifi_connected "${WIFI_IFACE}"; then
-            WIFI_IFACE_FREQ=$(iw dev "${WIFI_IFACE}" link | grep -i freq | awk '{print $2}')
+            WIFI_IFACE_FREQ=$(iw dev "${WIFI_IFACE}" link | grep -i freq | awk '{print $2}' | sed 's/\.00*//g')
             WIFI_IFACE_CHANNEL=$(ieee80211_frequency_to_channel "${WIFI_IFACE_FREQ}")
             
             echo "${WIFI_IFACE} already working in channel ${WIFI_IFACE_CHANNEL} (${WIFI_IFACE_FREQ} MHz)"