diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
index f5a84900a4..a8987d4bb5 100644
--- a/target-ppc/translate_init.c
+++ b/target-ppc/translate_init.c
@@ -1064,7 +1064,7 @@ static void gen_spr_amr (CPUPPCState *env)
     spr_register_kvm(env, SPR_AMR, "AMR",
                      SPR_NOACCESS, SPR_NOACCESS,
                      &spr_read_generic, &spr_write_generic,
-                     KVM_REG_PPC_AMR, 0xffffffffffffffffULL);
+                     KVM_REG_PPC_AMR, 0);
     spr_register_kvm(env, SPR_UAMOR, "UAMOR",
                      SPR_NOACCESS, SPR_NOACCESS,
                      &spr_read_generic, &spr_write_generic,