diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
index 0929401a4d..db695384eb 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -704,6 +704,7 @@ static void aarch64_max_initfn(Object *obj)
         cpu->isar.id_mmfr3 = u;
 
         u = cpu->isar.id_mmfr4;
+        u = FIELD_DP32(u, ID_MMFR4, HPDS, 1); /* AA32HPD */
         u = FIELD_DP32(u, ID_MMFR4, AC2, 1); /* ACTLR2, HACTLR2 */
         cpu->isar.id_mmfr4 = u;