diff --git a/Marlin/src/HAL/HAL_DUE/HAL_Due.cpp b/Marlin/src/HAL/HAL_DUE/HAL_Due.cpp
index 113f6c5bfd..17abbff991 100644
--- a/Marlin/src/HAL/HAL_DUE/HAL_Due.cpp
+++ b/Marlin/src/HAL/HAL_DUE/HAL_Due.cpp
@@ -81,7 +81,7 @@ void sei(void) { interrupts(); }
 
 void HAL_clear_reset_source(void) { }
 
-uint8_t HAL_get_reset_source (void) {
+uint8_t HAL_get_reset_source(void) {
   switch ((RSTC->RSTC_SR >> 8) & 7) {
     case 0: return RST_POWER_ON; break;
     case 1: return RST_BACKUP; break;
diff --git a/Marlin/src/HAL/HAL_DUE/HAL_Due.h b/Marlin/src/HAL/HAL_DUE/HAL_Due.h
index 604fa79aa0..014c59a7e4 100644
--- a/Marlin/src/HAL/HAL_DUE/HAL_Due.h
+++ b/Marlin/src/HAL/HAL_DUE/HAL_Due.h
@@ -166,13 +166,13 @@ void HAL_enable_AdcFreerun(void);
 #define HAL_IDLETASK 1
 #define HAL_INIT 1
 #ifdef __cplusplus
-extern "C" {
+  extern "C" {
 #endif
 void HAL_idletask(void);
 void HAL_init(void);
 char *dtostrf (double __val, signed char __width, unsigned char __prec, char *__s);
 #ifdef __cplusplus
-}
+  }
 #endif
 
 #endif // _HAL_DUE_H