diff --git a/hw/intc/openpic.c b/hw/intc/openpic.c
index 028529e13d..7d1f3b9497 100644
--- a/hw/intc/openpic.c
+++ b/hw/intc/openpic.c
@@ -1627,7 +1627,7 @@ static void openpic_realize(DeviceState *dev, Error **errp)
     }
 
     for (i = 0; i < opp->nb_cpus; i++) {
-        opp->dst[i].irqs = g_new(qemu_irq, OPENPIC_OUTPUT_NB);
+        opp->dst[i].irqs = g_new0(qemu_irq, OPENPIC_OUTPUT_NB);
         for (j = 0; j < OPENPIC_OUTPUT_NB; j++) {
             sysbus_init_irq(d, &opp->dst[i].irqs[j]);
         }
diff --git a/hw/ppc/e500.c b/hw/ppc/e500.c
index 1a5b30d3ce..16c85efab5 100644
--- a/hw/ppc/e500.c
+++ b/hw/ppc/e500.c
@@ -583,7 +583,7 @@ static qemu_irq *ppce500_init_mpic(PPCE500Params *params, MemoryRegion *ccsr,
     SysBusDevice *s;
     int i;
 
-    mpic = g_new(qemu_irq, 256);
+    mpic = g_new0(qemu_irq, 256);
 
     if (kvm_enabled()) {
         QemuOpts *machine_opts = qemu_get_machine_opts();
diff --git a/hw/ppc/mac_newworld.c b/hw/ppc/mac_newworld.c
index f5bccd2ad5..1ec4bb490b 100644
--- a/hw/ppc/mac_newworld.c
+++ b/hw/ppc/mac_newworld.c
@@ -346,7 +346,7 @@ static void ppc_core99_init(MachineState *machine)
         }
     }
 
-    pic = g_new(qemu_irq, 64);
+    pic = g_new0(qemu_irq, 64);
 
     dev = qdev_create(NULL, TYPE_OPENPIC);
     qdev_prop_set_uint32(dev, "model", OPENPIC_MODEL_RAVEN);