diff --git a/apps/gui/gwps-common.c b/apps/gui/gwps-common.c
index 31b4de239f..0a33619cbf 100644
--- a/apps/gui/gwps-common.c
+++ b/apps/gui/gwps-common.c
@@ -639,11 +639,22 @@ static char* get_tag(struct wps_data* wps_data,
                     else
                     {
                         *intval = 6;
-                        return "?%";
+                        return "?";
                     }
                     return buf;
                 }
 
+                case 'v': /* battery voltage */
+                {
+                    int v = battery_voltage();
+                    if (v > -1)
+                    {
+                        snprintf(buf, buf_size, "%d.%02d", v/100, v%100);
+                        return buf;
+                    } else
+                        return "?";
+                }
+
                 case 't': /* estimated battery time */
                 {
                     int t = battery_time();