diff --git a/apps/gui/usb_screen.c b/apps/gui/usb_screen.c
index 20af4dc3da..1b6f9c3b2a 100644
--- a/apps/gui/usb_screen.c
+++ b/apps/gui/usb_screen.c
@@ -96,8 +96,7 @@ static int handle_usb_events(void)
             case SYS_USB_DISCONNECTED:
                 return 1;
             case SYS_CHARGER_DISCONNECTED:
-                /*reset rockbox battery runtime*/
-                global_status.runtime = 0;
+                reset_runtime();
                 break;
             case SYS_TIMEOUT:
                 break;
diff --git a/apps/misc.c b/apps/misc.c
index b6eaafb599..037daf0cac 100644
--- a/apps/misc.c
+++ b/apps/misc.c
@@ -576,8 +576,7 @@ long default_event_handler_ex(long event, void (*callback)(void *), void *parame
 
         case SYS_CHARGER_DISCONNECTED:
             car_adapter_mode_processing(false);
-            /*reset rockbox battery runtime*/
-            global_status.runtime = 0;
+            reset_runtime();
             return SYS_CHARGER_DISCONNECTED;
 
         case SYS_CAR_ADAPTER_RESUME:
diff --git a/apps/settings.c b/apps/settings.c
index a0e20839ed..eed2b3a692 100644
--- a/apps/settings.c
+++ b/apps/settings.c
@@ -608,6 +608,11 @@ static void flush_config_block_callback(void)
     settings_write_config(CONFIGFILE, SETTINGS_SAVE_CHANGED);
 }
 
+void reset_runtime(void) {
+    lasttime = current_tick;
+    global_status.runtime = 0;
+}
+
 /*
  * persist all runtime user settings to disk or RTC RAM
  */
diff --git a/apps/settings.h b/apps/settings.h
index ec2d1007eb..e7388b4586 100644
--- a/apps/settings.h
+++ b/apps/settings.h
@@ -196,6 +196,7 @@ bool settings_load_config(const char* file, bool apply);
 
 void status_save(void);
 int settings_save(void);
+void reset_runtime(void);
 /* defines for the options paramater */
 enum {
     SETTINGS_SAVE_CHANGED = 0,