1 files changed, 2 insertions, 1 deletions
diff --git a/target-arm/cpu.c b/target-arm/cpu.c
index 3b5a93dbca..3ca3fa8d21 100644
--- a/target-arm/cpu.c
+++ b/target-arm/cpu.c
@@ -524,9 +524,10 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
         unset_feature(env, ARM_FEATURE_EL3);
 
         /* Disable the security extension feature bits in the processor feature
-         * register as well.  This is id_pfr1[7:4].
+         * registers as well. These are id_pfr1[7:4] and id_aa64pfr0[15:12].
          */
         cpu->id_pfr1 &= ~0xf0;
+        cpu->id_aa64pfr0 &= ~0xf000;
     }
 
     register_cp_regs_for_features(cpu);