diff --git a/core/arch/arm/plat-stm32mp2/conf.mk b/core/arch/arm/plat-stm32mp2/conf.mk
index ffce335819a..961d9044cfd 100644
--- a/core/arch/arm/plat-stm32mp2/conf.mk
+++ b/core/arch/arm/plat-stm32mp2/conf.mk
@@ -67,6 +67,7 @@ CFG_STM32_RISAF ?= y
 CFG_STM32_RNG ?= y
 CFG_STM32_RTC ?= y
 CFG_STM32_SERC ?= y
+CFG_STM32_STGEN ?= y
 CFG_STM32_TAMP ?= y
 CFG_STM32_UART ?= y