From 9834a36a178be6b0b0469c4dd4d94480b5d32f16 Mon Sep 17 00:00:00 2001
From: ellensp <ellensp@hotmail.com>
Date: Sat, 3 Oct 2020 11:12:17 +1300
Subject: [PATCH] Fix compile of MMU2 with S-mode disabled (#19584)

---
 Marlin/src/feature/mmu2/mmu2.cpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Marlin/src/feature/mmu2/mmu2.cpp b/Marlin/src/feature/mmu2/mmu2.cpp
index 37a2404c3..3d635369e 100644
--- a/Marlin/src/feature/mmu2/mmu2.cpp
+++ b/Marlin/src/feature/mmu2/mmu2.cpp
@@ -340,17 +340,17 @@ void MMU2::mmu_loop() {
       #endif
 
       if (rx_ok()) {
-        // response to C0 mmu command in PRUSA_MMU2_S_MODE
+        // Response to C0 mmu command in PRUSA_MMU2_S_MODE
         bool can_reset = true;
-        if (ENABLED(PRUSA_MMU2_S_MODE) && last_cmd == MMU_CMD_C0) {
-          if (!mmu2s_triggered) {
+        #if ENABLED(PRUSA_MMU2_S_MODE)
+          if (!mmu2s_triggered && last_cmd == MMU_CMD_C0) {
             can_reset = false;
             // MMU ok received but filament sensor not triggered, retrying...
             DEBUG_ECHOLNPGM("MMU => 'ok' (filament not present in gears)");
             DEBUG_ECHOLNPGM("MMU <= 'C0' (keep trying)");
             MMU2_COMMAND("C0");
           }
-        }
+        #endif
         if (can_reset) {
           DEBUG_ECHOLNPGM("MMU => 'ok'");
           ready = true;