diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c
index 14fc9758a9..e500c2e243 100644
--- a/hw/ppc/pnv.c
+++ b/hw/ppc/pnv.c
@@ -65,9 +65,9 @@
 #define FW_MAX_SIZE             (16 * MiB)
 
 #define KERNEL_LOAD_ADDR        0x20000000
-#define KERNEL_MAX_SIZE         (256 * MiB)
-#define INITRD_LOAD_ADDR        0x60000000
-#define INITRD_MAX_SIZE         (256 * MiB)
+#define KERNEL_MAX_SIZE         (128 * MiB)
+#define INITRD_LOAD_ADDR        0x28000000
+#define INITRD_MAX_SIZE         (128 * MiB)
 
 static const char *pnv_chip_core_typename(const PnvChip *o)
 {