diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index 23901121ac6c901fb06d8122bc257c73989efe23..17540300feb2b7a13e5f556372d216d95808e387 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -2088,6 +2088,9 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
         /* FEAT_SPE (Statistical Profiling Extension) */
         cpu->isar.id_aa64dfr0 =
             FIELD_DP64(cpu->isar.id_aa64dfr0, ID_AA64DFR0, PMSVER, 0);
+        /* FEAT_TRBE (Trace Buffer Extension) */
+        cpu->isar.id_aa64dfr0 =
+            FIELD_DP64(cpu->isar.id_aa64dfr0, ID_AA64DFR0, TRACEBUFFER, 0);
         /* FEAT_TRF (Self-hosted Trace Extension) */
         cpu->isar.id_aa64dfr0 =
             FIELD_DP64(cpu->isar.id_aa64dfr0, ID_AA64DFR0, TRACEFILT, 0);