diff --git a/embed/bootloader/messages.h b/embed/bootloader/messages.h
index e03ef87479..e54e5b1727 100644
--- a/embed/bootloader/messages.h
+++ b/embed/bootloader/messages.h
@@ -5,7 +5,7 @@
 #include "image.h"
 #include "secbool.h"
 
-#define USB_TIMEOUT       100
+#define USB_TIMEOUT       500
 #define USB_PACKET_SIZE   64
 
 #define FIRMWARE_SECTORS_COUNT 13