diff --git a/cores/esp32/Esp.cpp b/cores/esp32/Esp.cpp
index efe100b3475..a463fc16ba0 100644
--- a/cores/esp32/Esp.cpp
+++ b/cores/esp32/Esp.cpp
@@ -71,9 +71,10 @@ extern "C" {
 // REG_SPI_BASE is not defined for S3/C3 ??
 
 #if CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C3
-#ifndef REG_SPI_BASE
-#define REG_SPI_BASE(i) (DR_REG_SPI1_BASE + (((i) > 1) ? (((i) * 0x1000) + 0x20000) : (((~(i)) & 1) * 0x1000)))
+#ifdef REG_SPI_BASE
+#undef REG_SPI_BASE
 #endif  // REG_SPI_BASE
+#define REG_SPI_BASE(i) (DR_REG_SPI1_BASE + (((i) > 1) ? (((i) * 0x1000) + 0x20000) : (((~(i)) & 1) * 0x1000)))
 #endif  // TARGET
 
 /**
diff --git a/cores/esp32/chip-debug-report.cpp b/cores/esp32/chip-debug-report.cpp
index 8a3b8f58190..982b01ffa8f 100644
--- a/cores/esp32/chip-debug-report.cpp
+++ b/cores/esp32/chip-debug-report.cpp
@@ -113,9 +113,10 @@ static void printFlashInfo(void) {
 #endif
 // REG_SPI_BASE is not defined for S3/C3 ??
 #if CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C3
-#ifndef REG_SPI_BASE
-#define REG_SPI_BASE(i) (DR_REG_SPI1_BASE + (((i) > 1) ? (((i) * 0x1000) + 0x20000) : (((~(i)) & 1) * 0x1000)))
+#ifdef REG_SPI_BASE
+#undef REG_SPI_BASE
 #endif  // REG_SPI_BASE
+#define REG_SPI_BASE(i) (DR_REG_SPI1_BASE + (((i) > 1) ? (((i) * 0x1000) + 0x20000) : (((~(i)) & 1) * 0x1000)))
 #endif  // TARGET
 
   chip_report_printf("Flash Info:\n");