From 67ecf06cc495c04e141d4bd2c2b5a908431c98e5 Mon Sep 17 00:00:00 2001
From: Scott Lahteine <thinkyhead@users.noreply.github.com>
Date: Wed, 3 May 2017 15:26:00 -0500
Subject: [PATCH] Patch issue in gcode_M900

Noted in #6550
---
 Marlin/Marlin_main.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Marlin/Marlin_main.cpp b/Marlin/Marlin_main.cpp
index c7a00f5952..4483bdd6f7 100644
--- a/Marlin/Marlin_main.cpp
+++ b/Marlin/Marlin_main.cpp
@@ -8970,7 +8970,7 @@ inline void gcode_M503() {
     SERIAL_ECHOPAIR("Advance K=", planner.extruder_advance_k);
     SERIAL_ECHOPGM(" E/D=");
     const float ratio = planner.advance_ed_ratio;
-    ratio ? SERIAL_ECHO(ratio) : SERIAL_ECHOPGM("Auto");
+    if (ratio) SERIAL_ECHO(ratio); else SERIAL_ECHOPGM("Auto");
     SERIAL_EOL;
   }
 #endif // LIN_ADVANCE