diff --git a/luci/luci-app-qmodem/root/usr/share/qmodem/modem_dial.sh b/luci/luci-app-qmodem/root/usr/share/qmodem/modem_dial.sh
index f06c634..a89aac5 100755
--- a/luci/luci-app-qmodem/root/usr/share/qmodem/modem_dial.sh
+++ b/luci/luci-app-qmodem/root/usr/share/qmodem/modem_dial.sh
@@ -565,7 +565,7 @@ qmi_dial()
 		cmd_line="${cmd_line} -i ${qmi_if}"
 	fi
     
-    cmd_line="$cmd_line -f $log_file"
+    cmd_line="$cmd_line -d -f $log_file"
     $cmd_line