1 files changed, 4 insertions, 0 deletions

diff --git a/apps/gui/usb_screen.c b/apps/gui/usb_screen.c
index f74747fd5c..527ae9fd15 100644
--- a/apps/gui/usb_screen.c
+++ b/apps/gui/usb_screen.c
@@ -91,6 +91,10 @@ static int handle_usb_events(void)
             case SYS_USB_DISCONNECTED:
                 usb_acknowledge(SYS_USB_DISCONNECTED_ACK);
                 return 1;
+            case SYS_CHARGER_DISCONNECTED:
+                /*reset rockbox battery runtime*/
+                global_status.runtime = 0;
+                break;
             case SYS_TIMEOUT:
                 break;
         }