From 4113481c4eb1c218cc93e7928c024ff01d00bb88 Mon Sep 17 00:00:00 2001
From: MarkMan0 <38912829+MarkMan0@users.noreply.github.com>
Date: Tue, 24 Mar 2020 21:13:37 +0100
Subject: [PATCH] Fix limits on acceleration editing (#17280)

---
 Marlin/src/lcd/menu/menu_advanced.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Marlin/src/lcd/menu/menu_advanced.cpp b/Marlin/src/lcd/menu/menu_advanced.cpp
index ca02dc9622..1577e59fc1 100644
--- a/Marlin/src/lcd/menu/menu_advanced.cpp
+++ b/Marlin/src/lcd/menu/menu_advanced.cpp
@@ -376,12 +376,12 @@ void menu_cancelobject();
     START_MENU();
     BACK_ITEM(MSG_ADVANCED_SETTINGS);
 
-    static float max_accel = _MAX(planner.settings.max_acceleration_mm_per_s2[A_AXIS], planner.settings.max_acceleration_mm_per_s2[B_AXIS], planner.settings.max_acceleration_mm_per_s2[C_AXIS]);
+    const float max_accel = _MAX(planner.settings.max_acceleration_mm_per_s2[A_AXIS], planner.settings.max_acceleration_mm_per_s2[B_AXIS], planner.settings.max_acceleration_mm_per_s2[C_AXIS]);
     // M204 P Acceleration
     EDIT_ITEM_FAST(float5_25, MSG_ACC, &planner.settings.acceleration, 25, max_accel);
 
     // M204 R Retract Acceleration
-    EDIT_ITEM_FAST(float5, MSG_A_RETRACT, &planner.settings.retract_acceleration, 100, max_accel);
+    EDIT_ITEM_FAST(float5, MSG_A_RETRACT, &planner.settings.retract_acceleration, 100, planner.settings.max_acceleration_mm_per_s2[E_AXIS_N(active_extruder)]);
 
     // M204 T Travel Acceleration
     EDIT_ITEM_FAST(float5_25, MSG_A_TRAVEL, &planner.settings.travel_acceleration, 25, max_accel);