diff --git a/sys/arm64/arm64/cpu_errata.c b/sys/arm64/arm64/cpu_errata.c
index 6c294ff1237..fee22240bb0 100644
--- a/sys/arm64/arm64/cpu_errata.c
+++ b/sys/arm64/arm64/cpu_errata.c
@@ -67,21 +67,25 @@ static struct cpu_quirks cpu_quirks[] = {
 		.midr_mask = CPU_IMPL_MASK | CPU_PART_MASK,
 		.midr_value = CPU_ID_RAW(CPU_IMPL_ARM, CPU_PART_CORTEX_A57,0,0),
 		.quirk_install = install_psci_bp_hardening,
+		.flags = CPU_QUIRK_POST_DEVICE,
 	},
 	{
 		.midr_mask = CPU_IMPL_MASK | CPU_PART_MASK,
 		.midr_value = CPU_ID_RAW(CPU_IMPL_ARM, CPU_PART_CORTEX_A72,0,0),
 		.quirk_install = install_psci_bp_hardening,
+		.flags = CPU_QUIRK_POST_DEVICE,
 	},
 	{
 		.midr_mask = CPU_IMPL_MASK | CPU_PART_MASK,
 		.midr_value = CPU_ID_RAW(CPU_IMPL_ARM, CPU_PART_CORTEX_A73,0,0),
 		.quirk_install = install_psci_bp_hardening,
+		.flags = CPU_QUIRK_POST_DEVICE,
 	},
 	{
 		.midr_mask = CPU_IMPL_MASK | CPU_PART_MASK,
 		.midr_value = CPU_ID_RAW(CPU_IMPL_ARM, CPU_PART_CORTEX_A75,0,0),
 		.quirk_install = install_psci_bp_hardening,
+		.flags = CPU_QUIRK_POST_DEVICE,
 	},
 	{
 		.midr_mask = CPU_IMPL_MASK | CPU_PART_MASK,