diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 2c8e90f5789e..e0f7a189c48e 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -128,7 +128,8 @@ int arch_add_memory(int nid, u64 start, u64 size)
 		return -EINVAL;
 
 	/* this should work for most non-highmem platforms */
-	zone = pgdata->node_zones;
+	zone = pgdata->node_zones +
+		zone_for_memory(nid, start, size, 0);
 
 	return __add_pages(nid, zone, start_pfn, nr_pages);
 }