diff --git a/flix/console.ino b/flix/console.ino
index c69a950..4a0e539 100644
--- a/flix/console.ino
+++ b/flix/console.ino
@@ -67,6 +67,9 @@ HWCDC HWCDCSerial;
 
 void setupConsole() {
 	Serial.begin(115200);
+#if SOC_USB_SERIAL_JTAG_SUPPORTED
+	Serial.setTxTimeoutMs(0); // never block on usb write
+#endif
 }
 
 void print(const char* format, ...) {