diff --git a/build/shared/lib/preferences.txt b/build/shared/lib/preferences.txt
index ec1852e58c6..f442cdb3e66 100644
--- a/build/shared/lib/preferences.txt
+++ b/build/shared/lib/preferences.txt
@@ -272,6 +272,7 @@ serial.databits=8
 serial.stopbits=1
 serial.parity=N
 serial.debug_rate=9600
+serial.line_ending=1
 
 # I18 Preferences