diff --git a/src/hal/hal.cpp b/src/hal/hal.cpp
index 6b7bfd43..b7667ce7 100644
--- a/src/hal/hal.cpp
+++ b/src/hal/hal.cpp
@@ -322,6 +322,8 @@ void hal_printf_init() {
 #else // defined(__AVR)
 static int uart_putchar (char c, FILE *)
 {
+    if (c == '\n')
+        LMIC_PRINTF_TO.write('\r') ;
     LMIC_PRINTF_TO.write(c) ;
     return 0 ;
 }