diff --git a/components/esp_hw_support/port/esp32s3/mspi_timing_tuning_configs.h b/components/esp_hw_support/port/esp32s3/mspi_timing_tuning_configs.h
index 22ab5dccba9..3631b1e1b09 100644
--- a/components/esp_hw_support/port/esp32s3/mspi_timing_tuning_configs.h
+++ b/components/esp_hw_support/port/esp32s3/mspi_timing_tuning_configs.h
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2019-2024 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2019-2026 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -9,6 +9,10 @@
 #include "esp_assert.h"
 #include "esp_flash_partitions.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #define MSPI_TIMING_MSPI1_IS_INVOLVED                1   //This means esp flash driver needs to be notified
 #define MSPI_TIMING_CONFIG_NUM_MAX                   20  //This should be larger than the max available timing config num
 #define MSPI_TIMING_TEST_DATA_LEN                    64
@@ -262,3 +266,7 @@ ESP_STATIC_ASSERT(CHECK_POWER_OF_2(MSPI_TIMING_CORE_CLOCK_MHZ / MSPI_TIMING_PSRA
 #define MSPI_TIMING_PLL_FREQ_SCAN_THRESH_MHZ_HIGH                                    520
 #define MSPI_TIMING_PLL_FREQ_SCAN_WIDTH_MHZ                                          160
 #define MSPI_TIMING_PLL_FREQ_SCAN_STEP_MHZ_MODULE_CLK_120M                           8
+
+#ifdef __cplusplus
+}
+#endif