diff --git a/flix/console.ino b/flix/console.ino
index 026a35d..1008cc7 100644
--- a/flix/console.ino
+++ b/flix/console.ino
@@ -73,6 +73,9 @@ 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, ...) {