diff --git a/sw/host/opentitanlib/src/spiflash/flash.rs b/sw/host/opentitanlib/src/spiflash/flash.rs
index e0ac370..6f3c547 100644
--- a/sw/host/opentitanlib/src/spiflash/flash.rs
+++ b/sw/host/opentitanlib/src/spiflash/flash.rs
@@ -66,7 +66,7 @@
     pub const READ: u8 = 0x03;
     pub const PAGE_PROGRAM: u8 = 0x02;
     pub const SECTOR_ERASE: u8 = 0x20;
-    pub const CHIP_ERASE: u8 = 0x60;
+    pub const CHIP_ERASE: u8 = 0xc7;
     pub const WRITE_ENABLE: u8 = 0x06;
     pub const WRITE_DISABLE: u8 = 0x04;
     pub const READ_STATUS: u8 = 0x05;