diff --git a/components/storage/blockdevice/COMPONENT_SPIF/SPIFBlockDevice.cpp b/components/storage/blockdevice/COMPONENT_SPIF/SPIFBlockDevice.cpp
index 5716f9d179..194c101ede 100644
--- a/components/storage/blockdevice/COMPONENT_SPIF/SPIFBlockDevice.cpp
+++ b/components/storage/blockdevice/COMPONENT_SPIF/SPIFBlockDevice.cpp
@@ -88,6 +88,7 @@ enum spif_default_instructions {
     SPIF_RSTEN = 0x66, // Reset Enable
     SPIF_RST = 0x99, // Reset
     SPIF_RDID = 0x9f, // Read Manufacturer and JDEC Device ID
+    SPIF_ULBPR = 0x98, // Clears all write-protection bits in the Block-Protection register
 };
 
 // Mutex is used for some SPI Driver commands that must be done sequentially with no other commands in between
@@ -169,7 +170,7 @@ int SPIFBlockDevice::init()
             // SST devices come preset with block protection
             // enabled for some regions, issue write disable instruction to clear
             _set_write_enable();
-            _spi_send_general_command(SPIF_WRDI, SPI_NO_ADDRESS_COMMAND, NULL, 0, NULL, 0);
+            _spi_send_general_command(SPIF_ULBPR, SPI_NO_ADDRESS_COMMAND, NULL, 0, NULL, 0);
             break;
     }