diff --git a/modules/module_net b/modules/module_net
index 3610bae..052942f 100755
--- a/modules/module_net
+++ b/modules/module_net
@@ -4,21 +4,25 @@
 # load config
 module_config
 [ -e "$HOME/.config/speedwm/statusrc" ] && . $HOME/.config/speedwm/statusrc
+[ -z "$URL" ] && URL="1.1.1.1"
 [ "$ENABLE_ITEM6" = "true" ] || exit
 
 # get stats
 GETNSTAT() {
-	R1="$(cat /sys/class/net/[ew]*/statistics/rx_bytes || exit)"
-	T1="$(cat /sys/class/net/[ew]*/statistics/tx_bytes || exit)"
+    ip link | grep -q "UP mode" || exit
+	R1="$(head -n 1 /sys/class/net/[ew]*/statistics/rx_bytes)"
+	T1="$(head -n 1 /sys/class/net/[ew]*/statistics/tx_bytes)"
 	sleep 0.1
-	R2="$(cat /sys/class/net/[ew]*/statistics/rx_bytes || exit)"
-	T2="$(cat /sys/class/net/[ew]*/statistics/tx_bytes || exit)"
-	TXPMS="$(expr $T2 - $T1)"
-	RXPMS="$(expr $R2 - $R1)"
-	TX="$(expr $TXPMS / 1024 "*" 10)"
-	RX="$(expr $RXPMS / 1024 "*" 10)"
-	[ ! -z "$TX" ] && printf "$TX\n" > /tmp/module_net_tx
-	[ ! -z "$RX" ] && printf "$RX\n" > /tmp/module_net_rx
+	R2="$(head -n 1 /sys/class/net/[ew]*/statistics/rx_bytes)"
+	T2="$(head -n 1 /sys/class/net/[ew]*/statistics/tx_bytes)"
+    TXPMS="$(("$T2" "-" "$T1"))"
+	RXPMS="$(expr "$R2" "-" "$R1")"
+	TX="$(expr "$TXPMS" / "1024" "*" "10")"
+	RX="$(expr "$RXPMS" / "1024" "*" "10")"
+	[ ! -z "$TX" ] && printf "$TX\n" > /tmp/module_net_tx || exit
+	[ ! -z "$RX" ] && printf "$RX\n" > /tmp/module_net_rx || exit
+    [ -e "/tmp/module_net_tx" ] || exit
+    [ -e "/tmp/module_net_rx" ] || exit
 }
 
 [ ! -e "/tmp/module_net_tx" ] && GETNSTAT