diff --git a/Marlin/src/lcd/ultralcd.h b/Marlin/src/lcd/ultralcd.h
index 00c7b74d55..d830c9687e 100644
--- a/Marlin/src/lcd/ultralcd.h
+++ b/Marlin/src/lcd/ultralcd.h
@@ -187,6 +187,7 @@
 
 #else
 
+  #undef BUTTON_EXISTS
   #define BUTTON_EXISTS(BN) false
 
   // Shift register bits correspond to buttons:
diff --git a/Marlin/src/module/temperature.cpp b/Marlin/src/module/temperature.cpp
index 499b4a69e6..9258ce3288 100644
--- a/Marlin/src/module/temperature.cpp
+++ b/Marlin/src/module/temperature.cpp
@@ -823,8 +823,8 @@ float Temperature::get_pid_output(const int8_t e) {
           MSG_PID_DEBUG_PTERM, work_pid[HOTEND_INDEX].Kp,
           MSG_PID_DEBUG_ITERM, work_pid[HOTEND_INDEX].Ki,
           MSG_PID_DEBUG_DTERM, work_pid[HOTEND_INDEX].Kd
-          #if ENABLED(PID_EXTRUSION_SCALING),
-            MSG_PID_DEBUG_CTERM, work_pid[HOTEND_INDEX].Kc
+          #if ENABLED(PID_EXTRUSION_SCALING)
+            , MSG_PID_DEBUG_CTERM, work_pid[HOTEND_INDEX].Kc
           #endif
         );
       #endif