diff --git a/drivers/arm/ethosn/ethosn_smc.c b/drivers/arm/ethosn/ethosn_smc.c
index 920364e..42158e4 100644
--- a/drivers/arm/ethosn/ethosn_smc.c
+++ b/drivers/arm/ethosn/ethosn_smc.c
@@ -69,7 +69,7 @@
 #define SEC_SYSCTRL0_CPU_WAIT		U(1)
 #define SEC_SYSCTRL0_SLEEPING		U(1U << 4)
 #define SEC_SYSCTRL0_INITVTOR_MASK	U(0x1FFFFF80)
-#define SEC_SYSCTRL0_SOFT_RESET		U(3U << 29)
+#define SEC_SYSCTRL0_SOFT_RESET		U(1U << 29)
 #define SEC_SYSCTRL0_HARD_RESET		U(1U << 31)
 
 #define SEC_SYSCTRL1_REG		U(0x001C)