diff --git a/hw/ppc/mac_newworld.c b/hw/ppc/mac_newworld.c
index 61c25a4357..d8e4db3b6a 100644
--- a/hw/ppc/mac_newworld.c
+++ b/hw/ppc/mac_newworld.c
@@ -458,9 +458,6 @@ static QEMUMachine core99_machine = {
     .desc = "Mac99 based PowerMAC",
     .init = ppc_core99_init,
     .max_cpus = MAX_CPUS,
-#ifdef TARGET_PPC64
-    .is_default = 1,
-#endif
     DEFAULT_MACHINE_OPTIONS,
 };
 
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 218ea23da8..5363c3fe2c 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -971,6 +971,7 @@ static void ppc_spapr_init(QEMUMachineInitArgs *args)
 static QEMUMachine spapr_machine = {
     .name = "pseries",
     .desc = "pSeries Logical Partition (PAPR compliant)",
+    .is_default = 1,
     .init = ppc_spapr_init,
     .reset = ppc_spapr_reset,
     .block_default_type = IF_SCSI,