diff --git a/plat/st/stm32mp1/include/boot_api.h b/plat/st/stm32mp1/include/boot_api.h
index 2284970fa..c80aef6dd 100644
--- a/plat/st/stm32mp1/include/boot_api.h
+++ b/plat/st/stm32mp1/include/boot_api.h
@@ -124,7 +124,7 @@
 /* Closed = OTP_CFG0[6] */
 #define BOOT_API_OTP_MODE_CLOSED_BIT_POS			6
 
-#define BOOT_API_RETURN_OK					0x66U
+#define BOOT_API_RETURN_OK					0x77U
 
 /*
  * Boot Context related definitions