1 files changed, 1 insertions, 0 deletions

diff --git a/uisimulator/x11/button-x11.c b/uisimulator/x11/button-x11.c
index a8dd709110..ba70c8129b 100644
--- a/uisimulator/x11/button-x11.c
+++ b/uisimulator/x11/button-x11.c
@@ -235,4 +235,5 @@ int button_status(void)
 
 void button_clear_queue(void)
 {
+    while (get_raw_button());
 }