diff --git a/demos/host/src/keyboard_app.c b/demos/host/src/keyboard_app.c
index 3b4e0beb..1a58daa0 100644
--- a/demos/host/src/keyboard_app.c
+++ b/demos/host/src/keyboard_app.c
@@ -112,6 +112,8 @@ OSAL_TASK_DECLARE( keyboard_app_task )
       printf("%c", keycode_to_ascii(kbd_report.keycode[i]));
   }
 
+  memclr_(&kbd_report, sizeof(tusb_keyboard_report_t) );
+
   OSAL_TASK_LOOP_END
 }
 
diff --git a/demos/host/src/mouse_app.c b/demos/host/src/mouse_app.c
index d1c37e24..89dd7d6b 100644
--- a/demos/host/src/mouse_app.c
+++ b/demos/host/src/mouse_app.c
@@ -114,5 +114,7 @@ OSAL_TASK_DECLARE( mouse_app_task )
              mouse_report.x, mouse_report.y);
   }
 
+  memclr_(&mouse_report, sizeof(tusb_mouse_report_t) );
+
   OSAL_TASK_LOOP_END
 }