diff --git a/src/usb.c b/src/usb.c
index 9c34b38..353c676 100644
--- a/src/usb.c
+++ b/src/usb.c
@@ -184,7 +184,9 @@ static gpointer usb_thread(gpointer data)
 
 	while (ctx->usb_thread_running) {
 		g_mutex_lock(&ctx->usb_mutex);
+		libusb_lock_event_waiters();
 		libusb_wait_for_event(ctx->libusb_ctx, NULL);
+		libusb_unlock_event_waiters();
 		SetEvent(ctx->usb_event);
 		g_mutex_unlock(&ctx->usb_mutex);
 		g_thread_yield();