diff --git a/arch/risc-v/src/esp32c3/esp32c3_spiflash.c b/arch/risc-v/src/esp32c3/esp32c3_spiflash.c
index ecd9ad86c95..24b48a1e875 100644
--- a/arch/risc-v/src/esp32c3/esp32c3_spiflash.c
+++ b/arch/risc-v/src/esp32c3/esp32c3_spiflash.c
@@ -74,6 +74,7 @@
 
 #define SPI_FLASH_BLK_SIZE          256
 #define SPI_FLASH_ERASE_SIZE        4096
+#define SPI_FLASH_ERASED_STATE      (0xff)
 #define SPI_FLASH_SIZE              (4 * 1024 * 1024)
 
 #define ESP32C3_MTD_OFFSET          CONFIG_ESP32C3_MTD_OFFSET
@@ -875,6 +876,15 @@ static int esp32c3_ioctl(struct mtd_dev_s *dev, int cmd,
         }
         break;
 
+      case MTDIOC_ERASESTATE:
+        {
+          FAR uint8_t *result = (FAR uint8_t *)arg;
+          *result = SPI_FLASH_ERASED_STATE;
+
+          ret = OK;
+        }
+        break;
+
       default:
         ret = -ENOTTY;
         break;