diff --git a/micropython/extmod/modtrezormsg/modtrezormsg-stm32.h b/micropython/extmod/modtrezormsg/modtrezormsg-stm32.h
index 70a6bc631a..cabce9a05a 100644
--- a/micropython/extmod/modtrezormsg/modtrezormsg-stm32.h
+++ b/micropython/extmod/modtrezormsg/modtrezormsg-stm32.h
@@ -23,5 +23,5 @@ ssize_t msg_recv(uint8_t *iface, uint8_t *buf, size_t len)
 
 ssize_t msg_send(uint8_t iface, const uint8_t *buf, size_t len)
 {
-    return usb_hid_write_blocking(iface, buf, len, 1); // 1ms timeout
+    return usb_hid_write_blocking(iface, buf, len, 1000); // 1s timeout
 }